公开(公告)号：US07419732B2

公开(公告)日：2008-09-02

申请号：US11055993

申请日：2005-02-11

申请人： Wen Liu ,  William B. Johnson ,  Simon J. C. Cleghorn

发明人： Wen Liu ,  William B. Johnson ,  Simon J. C. Cleghorn

IPC分类号： H01M8/00 ,  H01M8/10 ,  H01M4/00

CPC分类号： H01M8/008 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0273 ,  H01M8/04223 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1067 ,  H01M8/1086 ,  Y02P70/56 ,  Y02W30/86 ,  Y10T156/11 ,  Y10T156/1116

摘要： The invention is a method of reducing catalyst dissolution in the cathode of a membrane electrode assembly fuel cell, the method comprising the steps of: (a) preparing a membrane electrode assembly comprising an anode, a cathode and a polymer electrolyte membrane interposed between the anode and the cathode; (b) assembling a fuel cell using the membrane electrode assembly; (c) applying a fluid comprising an oxidant to the cathode of the_membrane electrode assembly; (d) applying a fluid comprising a fuel to the anode of the membrane electrode assembly; and (e) supplying a sufficient quantity of reducing agent to the cathode to maintain the average open-circuit voltage of the cathode at less than about 0.98 V.

摘要翻译： 本发明是减少膜电极组件燃料电池阴极中催化剂溶解的方法，该方法包括以下步骤：（a）制备膜电极组件，其包括阳极，阴极和置于阳极之间的聚合物电解质膜 和阴极; （b）使用所述膜电极组件组装燃料电池; （c）将包含氧化剂的流体施加到所述膜电极组件的阴极; （d）将包含燃料的流体施加到所述膜电极组件的阳极; 和（e）向阴极供应足量的还原剂，以将阴极的平均开路电压维持在小于约0.98V。

公开(公告)号：US20090050269A1

公开(公告)日：2009-02-26

申请号：US12190640

申请日：2008-08-13

申请人： Wen Liu ,  William B. Johnson ,  Simon J. C. Cleghorn ,  Ronald M. Reid

发明人： Wen Liu ,  William B. Johnson ,  Simon J. C. Cleghorn ,  Ronald M. Reid

IPC分类号： B29C63/48

CPC分类号： H01M8/008 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0273 ,  H01M8/04223 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1067 ,  H01M8/1086 ,  Y02P70/56 ,  Y02W30/86 ,  Y10T156/11 ,  Y10T156/1116

摘要： The invention is a method of reducing catalyst dissolution in the cathode of a membrane electrode assembly fuel cell, the method comprising the steps of: (a) preparing a membrane electrode assembly comprising an anode, a cathode and a polymer electrolyte membrane interposed between the anode and the cathode; (b) assembling a fuel cell using the membrane electrode assembly; (c) applying a fluid comprising an oxidant to the cathode of the membrane electrode assembly; (d) applying a fluid comprising a fuel to the anode of the membrane electrode assembly; and (e) supplying a sufficient quantity of reducing agent to the cathode to maintain the average open-circuit voltage of the cathode at less than about 0.98 V.

摘要翻译： 本发明是减少膜电极组件燃料电池阴极中催化剂溶解的方法，该方法包括以下步骤：（a）制备膜电极组件，其包括阳极，阴极和置于阳极之间的聚合物电解质膜 和阴极; （b）使用所述膜电极组件组装燃料电池; （c）将包含氧化剂的流体施加到所述膜电极组件的阴极; （d）将包含燃料的流体施加到所述膜电极组件的阳极; 和（e）向阴极供应足量的还原剂，以将阴极的平均开路电压维持在小于约0.98V。

公开(公告)号：US11628042B1

公开(公告)日：2023-04-18

申请号：US17688446

申请日：2022-03-07

申请人： William B. Johnson

发明人： William B. Johnson

IPC分类号： A61C5/42

摘要： An endodontic instrument of this disclosure has less torque strength but greater flexibility and enlarged chip space compared to the prior art. In embodiments. only two flutes are spiraled about the instrument's length L to form two non-landed cutting edges between D2 and D16, the cutting edges merging to form a land at about D1. The tip end is rounded. The helical angle α increases from the handle end toward the tip end, a number of spirals per unit length being at least two times greater toward the tip end than toward the handle end, a cross-section of the length L consisting of two convex portions intersecting at each cutting edge or a wave-shape having one concave portion and one convex portion intersecting at each cutting edge, the cross-section occupying less total area than would a same size endodontic instrument having a triangular cross-section and providing greater chip space.

公开(公告)号：US20130263700A1

公开(公告)日：2013-10-10

申请号：US13858526

申请日：2013-04-08

申请人： William B. Johnson

发明人： William B. Johnson

IPC分类号： A61C5/02

CPC分类号： A61C5/023 ,  A61C5/42 ,  B24B1/00 ,  B24B19/022 ,  Y10T29/49 ,  Y10T29/49567 ,  Y10T29/49568

摘要： A method of producing an endodontic file that involves grinding in a plane substantially parallel to the longitudinal axis of a rotating dental instrument blank. By grinding the dental instrument blank in this manner, the torsional strength of the resulting endodontic file is not eroded during its production, thereby providing a file that is less susceptible to breakage during its use.

摘要翻译： 一种生产牙髓锉的方法，其涉及在基本上平行于旋转牙科仪器坯件的纵向轴线的平面内研磨。 通过以这种方式研磨牙科仪器坯料，所得到的根管锉的扭转强度在其生产期间不被侵蚀，从而提供在其使用期间不易破裂的文件。

公开(公告)号：US08047842B2

公开(公告)日：2011-11-01

申请号：US12193411

申请日：2008-08-18

申请人： William B. Johnson

发明人： William B. Johnson

IPC分类号： A61C1/02

CPC分类号： A61C5/42

摘要： A single use, reciprocal reverse rotation, endodontic file includes a plurality of spaced apart helical flutes with spiraled lands therebetween. The lands have an edge with a positive cutting angle when the file is rotated in one direction and a scraping angle when rotated in the opposite direction. The file provides for sequential rotation of a selected angle in a forward direction followed by rotation of a slightly less angle in a reverse direction. In one embodiment, the cross-sectional area of the flutes is concave polygonal-shaped at a proximal end of the file and square-shaped at the distal end. In another embodiment, the cross-sectional area of the flutes is convex arcuate-shaped, the lands lying normal to the central longitudinal axis of the file. The handle portion of the file may be configured for use in a rotary handpiece or for manual rotation.

摘要翻译： 单次使用，相互反向旋转，牙根管文件包括多个间隔开的螺旋形凹槽，其间具有螺旋状的平台。 当文件沿相反方向旋转时，文件沿一个方向旋转时具有正切割角度的边缘和刮削角度。 文件提供在向前方向上顺序旋转所选择的角度，然后沿相反方向旋转稍微较小的角度。 在一个实施例中，凹槽的横截面面积在文件的近端处是凹形多边形的，并且在远端处是正方形的。 在另一个实施例中，凹槽的横截面积为凸形的弧形，平面与文件的中心纵向轴垂直。 文件的手柄部分可以被配置为用于旋转手持件或用于手动旋转。

公开(公告)号：US20110039960A1

公开(公告)日：2011-02-17

申请号：US12886817

申请日：2010-09-21

申请人： Ping Xu ,  Jack J. Hegenbarth ,  Rachel Radspinner ,  Paul D. Drumheller ,  William B. Johnson ,  Wen K. Liu ,  Xin Kang Chen

发明人： Ping Xu ,  Jack J. Hegenbarth ,  Rachel Radspinner ,  Paul D. Drumheller ,  William B. Johnson ,  Wen K. Liu ,  Xin Kang Chen

IPC分类号： C08J9/16 ,  C08F214/26

CPC分类号： A61L31/041 ,  A61L31/048 ,  A61L31/16 ,  B01D67/0093 ,  B01D71/32 ,  B01J39/18 ,  B29C55/005 ,  B29K2027/18 ,  B29K2105/04 ,  B29K2995/0092 ,  C08F14/26 ,  C08F214/26 ,  C08F214/262 ,  C08F214/265 ,  C08F220/28 ,  C08F220/50 ,  C08F228/02 ,  C08J5/2237 ,  C08J9/28 ,  C08J9/35 ,  C08J2201/0502 ,  C08J2327/18 ,  C08L27/18 ,  C08L2205/02 ,  Y10T428/31544 ,  C08L2666/04 ,  C08F2/22

摘要： A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion.

摘要翻译： 描述了一种功能性TFE共聚物细粉末，其中TFE共聚物是TFE和至少一种官能共聚单体的聚合物，并且其中TFE共聚物具有垂直于聚合物链的官能团。 功能性TFE共聚物细粉末树脂是可挤出和可膨胀的糊状物。 还描述了制备功能性TFE共聚物的方法。 膨胀的功能性TFE共聚物材料可以在膨胀后进行后反应。

公开(公告)号：US07270541B1

公开(公告)日：2007-09-18

申请号：US11366059

申请日：2006-03-02

申请人： William B. Johnson

发明人： William B. Johnson

IPC分类号： A61C5/02

CPC分类号： A61C5/42

摘要： A rotatable endodontic file for cleaning/shaping a tooth root canal, comprising an elongated shaft having a proximal end portion, a distal end and a tapered working portion having a rotational axis, the working portion extending from the proximal portion to the distal end, the external surface of the shaft working portion having a plurality of at least two spiraled, spaced apart continuous helical flutes, the flutes having therebetween an equal number of spiraled, spaced apart flanges, each flange having in a plane perpendicular the rotational axis an outer end surface forming a continuous spiraled scraping/cutting edge extending the length of the shaft working portion, the flutes having helical angles relative to the rotational axis of between 10° and 30° and wherein the helical angles vary at selected longitudinal locations.

摘要翻译： 一种用于清洁/整形牙根管的可旋转牙根管文件，包括细长轴，其具有近端部分，远端和具有旋转轴线的锥形工作部分，所述工作部分从近端部分延伸到远端， 所述轴工作部分的外表面具有多个至少两个螺旋形间隔的连续螺旋槽，所述凹槽之间具有相等数量的螺旋形间隔开的凸缘，每个凸缘在与旋转轴线垂直的平面中具有外端面 形成延伸所述轴工作部分的长度的连续的螺旋刮削/切削刃，所述槽纹相对于所述旋转轴线具有10°至30°的螺旋角，并且其中所述螺旋角度在选定的纵向位置处变化。

公开(公告)号：US06266914B1

公开(公告)日：2001-07-31

申请号：US09242317

申请日：1999-02-12

申请人： William B. Johnson ,  Carl J. Berendt

发明人： William B. Johnson ,  Carl J. Berendt

IPC分类号： A01K8500

CPC分类号： A01K91/14 ,  A01K85/00 ,  A01K85/10

摘要： An improved fishing lure employing a wire frame (10) having first (14) and second arms (16) that extend in divergent directions with respect to each other. A fish attracting element (18) and a hook (20) are secured to one arm (14), and a spinner (32) is attached to the other arm (16). The wire frame is formed of a nickel titanium alloy which provides flexibility and shape memory that are substantially greater than that provided by conventional stainless steel wire whereby when the lure is pulled through water, it has improved fish attracting action. Wire and cable fishing leaders formed of a nickel titanium alloy are disclosed which exhibit appreciable elongation and resistance to kinking and spiralling.

摘要翻译： 改进的钓鱼诱饵采用具有相对于彼此发散方向延伸的第一（14）和第二臂（16）的线框架（10）。 鱼吸引元件（18）和钩（20）固定到一个臂（14）上，并且旋转器（32）附接到另一个臂（16）。 线框架由镍钛合金形成，其提供比常规不锈钢丝提供的灵活性和形状记忆力，其中当诱饵被拉过水时，其具有改进的鱼吸引作用。 公开了由镍钛合金形成的电线和电缆捕鱼领导，其具有显着的伸长率和抗扭结和螺旋化的能力。

公开(公告)号：US5346549A

公开(公告)日：1994-09-13

申请号：US967490

申请日：1992-10-23

申请人： William B. Johnson

发明人： William B. Johnson

IPC分类号： C04B7/12 ,  C04B28/18 ,  C04B7/24

CPC分类号： C04B18/027 ,  C04B28/021 ,  C04B30/02 ,  C04B2103/0095 ,  C04B2111/00612 ,  Y02W30/92 ,  Y02W30/97 ,  Y10S106/01

摘要： The invention provides a novel formed product and method of producing a hard, dry, e.g., agglomerated or formed, product useful as a construction material comprising: a) papermill sludge made up of paper fiber, clay and calcium carbonate, b) ash such as coal ash (typically stack scrubber solids obtained from the burning of coal), and c) water. The amount of water present is selected to render the product plastic so that it can be molded to the desired shape. An oxidizer is provided in a sufficient amount to oxidize unstable compounds and to convert potassium, calcium or magnesium bisulfite to the sulfate form. Following the addition of the oxidizer, the admixture is exposed to electromagnetic energy, preferably ultraviolet light, to help drive the oxidation reaction to completion. In an optional form of the invention, a minor amount of a cation exchange resin is added to the mixture to sequester heavy metals. The admixture is formed or molded into pieces or bodies of the desired shape, such as blocks, slabs or pellets or agglomerates. The resulting pieces dry and harden at room temperature. They are unfused, contain retained wood fiber, are substantially dust free, hard, dry, and environmentally stable. They give off little or no objectionable odor. They are clean and when placed in water, will not release significant quantities of heavy metals. The formed bodies have enough strength to be used as an aggregate in a concrete product that exhibits good compression strength.

摘要翻译： 本发明提供一种生产用作建筑材料的坚硬，干燥，例如，凝聚或成形的产品的新型成型产品和方法，其包括：a）由纸纤维，粘土和碳酸钙构成的造纸泥浆，b）灰分如 煤灰（通常是从燃烧煤获得的堆垛器固体），和c）水。 选择存在的水量以使产品塑料变得可以模制成所需的形状。 提供足够量的氧化剂以氧化不稳定化合物并将钾，钙或镁亚硫酸氢盐转化为硫酸盐形式。 在添加氧化剂之后，将混合物暴露于电磁能，优选紫外光，以帮助驱动氧化反应完成。 在本发明的任选形式中，将少量的阳离子交换树脂加入到混合物中以螯合重金属。 混合物形成或模制成所需形状的块或体，例如块，板或颗粒或附聚物。 得到的碎片在室温下干燥并硬化。 它们是未被使用的，含有保留的木纤维，基本上无尘，坚硬，干燥和环境稳定。 他们发出很少或没有令人反感的气味。 它们是干净的，当放在水中时，不会释放大量的重金属。 成形体具有足够的强度，可用作具有良好抗压强度的混凝土产品中的骨料。

公开(公告)号：US5275982A

公开(公告)日：1994-01-04

申请号：US948188

申请日：1992-09-21

申请人： Terry D. Claar ,  William B. Johnson ,  Robert A. Rapp

发明人： Terry D. Claar ,  William B. Johnson ,  Robert A. Rapp

IPC分类号： C04B35/58 ,  C04B35/65 ,  C04B41/50 ,  C04B41/51 ,  C04B35/10

CPC分类号： C04B35/58064 ,  C04B35/5607 ,  C04B35/652 ,  C04B35/653 ,  C04B41/5053 ,  C04B41/51

摘要： The present invention relates to a novel method of manufacturing a composite body, such as a ZrB.sub.2 --ZrC--Zr composite body, by utilizing a post-treatment technique which may improve the oxidation resistance of the composite body. Moreover, the invention relates to novel products made according to the process. The novel process modifies at least a portion of a composite body by exposing said body to a source of second metal.

摘要翻译： 本发明涉及通过利用可以提高复合体的抗氧化性的后处理技术来制造复合体如ZrB2-ZrC-Zr复合体的新方法。 此外，本发明涉及根据该方法制备的新产品。 该新颖工艺通过将所述主体暴露于第二金属源来修饰复合体的至少一部分。