公开(公告)号：US06818594B1

公开(公告)日：2004-11-16

申请号：US09711655

申请日：2000-11-13

申请人： Michael A. Freeman ,  Monica Norman ,  David A. Ballard ,  Ping Jiang ,  Kenneth C. Symes ,  Kishor Kumar Mistry

发明人： Michael A. Freeman ,  Monica Norman ,  David A. Ballard ,  Ping Jiang ,  Kenneth C. Symes ,  Kishor Kumar Mistry

IPC分类号： E21B4327

CPC分类号： C09K8/92 ,  C09K8/536 ,  C09K8/665 ,  C09K8/68 ,  Y10S507/902 ,  Y10S507/921 ,  Y10S507/922

摘要： Disclosed are methods and related compositions for altering the physical and chemical properties of a substrate used in hydrocarbon exploitation, such as in downhole drilling operations. In a preferred embodiment a method involves formulating a fluid, tailored to the specific drilling conditions, that contains one or more inactivated enzymes. Preferably the enzyme is inactivated by encapsulation in a pH responsive material. After the fluid has been introduced into the well bore, one or more triggering signals, such as a change in pH, is applied to the fluid that will activate or reactivate the inactivated enzyme, preferably by causing it to be released by the encapsulation material. The reactivated enzyme is capable of selectively acting upon a substrate located downhole to bring about the desired change in the chemical or physical properties of the substrate.

摘要翻译： 公开了用于改变用于烃开采中的底物的物理和化学性质的方法和相关组合物，例如在井下钻井操作中。 在优选实施方案中，一种方法包括配制包含一种或多种灭活酶的特定钻井条件的流体。 优选地，酶通过包封在pH响应材料中而失活。 在将流体引入井眼之后，将一种或多种触发信号（诸如pH变化）施加到将激活或重新活化失活的酶的流体，优选通过使其被包封材料释放。 再活化的酶能够选择性地作用在位于井下的基质上，从而引起基底的化学或物理性质的所需变化。

公开(公告)号：US4788558A

公开(公告)日：1988-11-29

申请号：US12209

申请日：1987-02-06

申请人： Edward D. Caldwell ,  David A. Ballard

发明人： Edward D. Caldwell ,  David A. Ballard

IPC分类号： B41J15/04 ,  B41J33/14 ,  B41J33/34 ,  B65H23/00 ,  B65H23/18 ,  G01D15/00

CPC分类号： B41J33/34 ,  B65H23/005 ,  B65H23/1806

摘要： A method and apparatus for controlling the tension in a tape (16, 18) along a feed path between a reel (84, 112) and a processing station (20) is disclosed. A motor (146, 162) having a controllable torque is coupled to the reel. An advancement mechanism (22, 142) advances the tape through the processing station. Sensors (190, 192) produce signals proportional to the advancement of the tape through the processing station as well as the advance of the reel. These signals are compared to produce an indicia of the present operating radius of the tape on the reel, which is dependent upon the amount of tape wound upon the reel. With this indicia determined, empirically derived data can be consulted to determined the energization of the motor necessary to produce a torque that will compensate for the changing tape diameter on the reel, maintaining the tension in the tape substantially constant independent of the transfer of tape with respect to the reel. In a preferred embodiment, this arrangement is employed to control the tension in thermal transfer ribbon (16) and receiving paper (18) between a print roller (22) and their respective reels (146, 162) in a thermal transfer printer (10).

摘要翻译： 公开了一种用于控制沿着卷轴（84,112）和处理站（20）之间的进给路径的带（16,18）中的张力的方法和装置。 具有可控扭矩的电动机（146,162）联接到卷轴。 前进机构（22,142）使带子前进通过处理站。 传感器（190,192）产生与通过处理站的带的前进成比例的信号以及卷轴的前进。 将这些信号进行比较以产生卷轴上的带的当前操作半径的标记，这取决于卷绕在卷轴上的带的量。 在确定了该标记的情况下，可以查阅经验导出的数据，以确定产生扭矩的马达的通电，该扭矩将补偿卷轴上的更换带直径，从而保持带中的张力基本上恒定，而与带的传送无关， 相对于卷轴。 在优选实施例中，这种布置用于控制热转印打印机（10）中的热转印带（16）和接收纸（18）之间的张力在打印辊（22）和它们各自的卷轴（146,162）之间， 。

公开(公告)号：US20110159461A1

公开(公告)日：2011-06-30

申请号：US13047229

申请日：2011-03-14

申请人： Pierre D. Mourad ,  James Christopher McInnes ,  George A. Barrett ,  David A. Ballard ,  Gerald K. Brewer ,  Frederick Jay Bennett

发明人： Pierre D. Mourad ,  James Christopher McInnes ,  George A. Barrett ,  David A. Ballard ,  Gerald K. Brewer ,  Frederick Jay Bennett

IPC分类号： A61C17/16

CPC分类号： A46B15/0002 ,  A46B15/0028 ,  A46B2200/1066 ,  A61C17/20 ,  A61C17/3481

摘要： A power toothbrush (10) is disclosed having a handle (15), battery (12), ultrasonic drive circuit (14), motor (16), control unit (18), and toothbrush head (20). The toothbrush head includes bristles (26) and a waveguide (24) that is operatively connected to an ultrasonic transducer (22). The waveguide facilitates the transmission of acoustic energy into the dental fluid to achieve improved cleaning and stain removal and improved cleaning in interproximal and subgingival regions. In one embodiment an ultrasound transducer module (30) includes a plurality of piezoelectric elements (32, 34) that may be mechanically connected in series, and electrically connected in parallel. One or more contacts (36) connect the elements, and a waveguide structure (50). An impedance matching layer (38) may be provided between the waveguide and the ultrasonic transducer module. The waveguide may be formed from a relatively soft material, for example, a polymer having a hardness between 10 and 65 Shore A.

摘要翻译： 公开了具有手柄（15），电池（12），超声波驱动电路（14），马达（16），控制单元（18）和牙刷头（20）的动力牙刷（10）。 牙刷头包括刷毛（26）和可操作地连接到超声换能器（22）的波导（24）。 波导有助于将声能传输到牙科液体中，以实现改善的清洁和污渍去除以及改善邻近和龈下区域的清洁。 在一个实施例中，超声换能器模块（30）包括多个压电元件（32,34），其可以串联机械连接并并联电连接。 一个或多个触点（36）连接元件和波导结构（50）。 可以在波导和超声换能器模块之间设置阻抗匹配层（38）。 波导可以由相对柔软的材料形成，例如硬度在10和65肖氏A之间的聚合物。

公开(公告)号：US20100211527A1

公开(公告)日：2010-08-19

申请号：US12769258

申请日：2010-04-28

申请人： Christopher Roman ,  David A. Ballard

发明人： Christopher Roman ,  David A. Ballard

IPC分类号： G06Q40/00 ,  G06Q10/00

CPC分类号： G06Q40/06 ,  G06Q40/025 ,  G06Q40/04

摘要： Embodiments of the present invention, for the first time, provide methods for financing an asset management firm, by using participating debt securities as the investment engine and then collecting those interests and selling the resultant securities into a Business Development Company.

摘要翻译： 本发明的实施例首次提供资产管理公司融资方式，通过使用参与债务证券作为投资引擎，然后收集这些利益，将所得证券出售给业务发展公司。

公开(公告)号：US07448109B2

公开(公告)日：2008-11-11

申请号：US11613994

申请日：2006-12-20

申请人： Gerald K. Brewer ,  James Christopher McInnes ,  Daniel Bayeh ,  Frederick Jay Bennett ,  Richard K. Taylor ,  David A. Ballard ,  George A. Barrett

发明人： Gerald K. Brewer ,  James Christopher McInnes ,  Daniel Bayeh ,  Frederick Jay Bennett ,  Richard K. Taylor ,  David A. Ballard ,  George A. Barrett

IPC分类号： A61C17/22

CPC分类号： A61C17/3481 ,  A46B15/0002 ,  A46B15/0028 ,  A61C17/20

摘要： An oral hygiene device having an ultrasound transducer 22 and an acoustic waveguide 24 facilitating the transmission of ultrasonic acoustic energy to fluids in the oral cavity is disclosed. Preferred ultrasound operating parameters for operation in aqueous environments and in dental slurries are disclosed. Devices may incorporate a drive motor 16 for oscillating a device head 23, acoustic waveguide 24 and one or more bristle tuft(s) 26 at sonic frequencies, and preferred sonic operating parameters are also provided. Multi-element piezoelectric transducer assemblies 30, 40, and various control and communications features are disclosed. Oral hygiene devices disclosed herein achieve improved plaque and stain removal from the teeth as well as interproximal and subgingival regions, while enhancing the user experience, massaging the gums, stimulating dental tissue, and disrupting biofilm.

摘要翻译： 公开了一种口腔卫生装置，其具有超声波换能器22和便于将超声波能量传送到口腔内的流体的声波导24。 公开了在水性环境和牙科浆料中操作的优选的超声操作参数。 设备可以包括驱动电机16，用于以声频振荡装置头23，声波导24和一个或多个刷毛簇26，并且还提供优选的声波操作参数。 公开了多元件压电换能器组件30,40以及各种控制和通信特征。 本文公开的口腔卫生装置实现了从牙齿以及邻近和龈下区域改进的斑块和污渍去除，同时增强了使用者体验，按摩牙龈，刺激牙齿组织和破坏生物膜。

公开(公告)号：US06861394B2

公开(公告)日：2005-03-01

申请号：US10026063

申请日：2001-12-19

申请人： David A. Ballard ,  Christopher A. Sawdon ,  Trevor G. Jappy

发明人： David A. Ballard ,  Christopher A. Sawdon ,  Trevor G. Jappy

IPC分类号： C09K8/514 ,  C09K8/536 ,  C09K8/74 ,  C09K7/02 ,  E21B21/00

CPC分类号： C09K8/536 ,  Y10S507/902 ,  Y10S507/906 ,  Y10S507/921

摘要： A wellbore fluid including a peroxide degradable polymer and an encapsulated peroxide source. The peroxide degradable polymer may be a polysaccharide. The peroxide source may include an inorganic peroxide, including zinc and alkaline earth metal peroxides, such as magnesium peroxide. The encapsulating material may be a polymer, including enteric polymers. The release of peroxide, from peroxide sources generally, can be controlled by means of pH such that peroxide source can be activated, and peroxide released, by a change in pH. In a wellbore, this pH change can be effected by using produced fluids to lower the pH of a more basic wellbore fluid.

公开(公告)号：US20080209650A1

公开(公告)日：2008-09-04

申请号：US12072002

申请日：2008-02-22

申请人： Gerald K. Brewer ,  James Christopher McInnes ,  Daniel Bayeh ,  Frederick Jay Bennett ,  Richard K. Taylor ,  David A. Ballard ,  George A. Barrett ,  Marc W. Bommarito

发明人： Gerald K. Brewer ,  James Christopher McInnes ,  Daniel Bayeh ,  Frederick Jay Bennett ,  Richard K. Taylor ,  David A. Ballard ,  George A. Barrett ,  Marc W. Bommarito

IPC分类号： A46B13/00 ,  A61C1/07 ,  A61H7/00

CPC分类号： A46B15/0002 ,  A46B15/0028 ,  A61C17/20 ,  A61C17/3481

摘要： Oral hygiene devices employing an ultrasound transducer are disclosed. The device is user-activatable to commence an operating cycle, and has a controller that may provide a timing function and may provide a variable level of ultrasound transducer output during an operating cycle. The controller may provide a monitoring function that is capable of detecting an ultrasound transducer fault condition and alert a user, through a user interface, when an ultrasound transducer fault condition is detected. The controller may be programmed to count the number of device operating cycles or accumulate the total device operating time and activate a transducer replacement signal following a predetermined number of uses or a predetermined accumulated operating time. The ultrasound transducer assembly may be provided in operative communication with an ultrasound drive circuit and power supply by means of a transformer assembly that inductively couples and transfers power from the ultrasound drive circuit to the ultrasound transducer.

摘要翻译： 公开了使用超声波换能器的口腔卫生装置。 该装置可由用户启动以开始操作周期，并且具有可提供定时功能的控制器，并且可以在操作周期期间提供可变水平的超声换能器输出。 当检测到超声换能器故障状况时，控制器可以提供能够检测超声换能器故障状况并通过用户界面警告用户的监视功能。 控制器可以被编程为对设备操作周期的数量进行计数或者累积设备的总体工作时间，并且在预定的使用次数或预定的累积操作时间之后激活换能器替换信号。 超声换能器组件可以通过电感耦合并将功率从超声波驱动电路传送到超声换能器的变压器组件与超声波驱动电路和电源进行操作通信。

公开(公告)号：US07269873B2

公开(公告)日：2007-09-18

申请号：US11695580

申请日：2007-04-02

申请人： Gerald K. Brewer ,  James Christopher McInnes ,  Daniel Bayeh ,  Frederick Jay Bennett ,  Richard K. Taylor ,  David A. Ballard ,  George A. Barrett

发明人： Gerald K. Brewer ,  James Christopher McInnes ,  Daniel Bayeh ,  Frederick Jay Bennett ,  Richard K. Taylor ,  David A. Ballard ,  George A. Barrett

IPC分类号： A61C17/22

CPC分类号： A61C17/3481 ,  A46B15/0002 ,  A46B15/0028 ,  A61C17/20

摘要： An oral hygiene device having an ultrasound transducer 22 and an acoustic waveguide 24 facilitating the transmission of ultrasonic acoustic energy to fluids in the oral cavity is disclosed. Preferred ultrasound operating parameters for operation in aqueous environments and in dental slurries are disclosed. Devices may incorporate a drive motor 16 for oscillating a device head 23, acoustic waveguide 24 and one or more bristle tuft(s) 26 at sonic frequencies, and preferred sonic operating parameters are also provided. Multi-element piezoelectric transducer assemblies 30, 40, and various control and communications features are disclosed. Oral hygiene devices disclosed herein achieve improved plaque and stain removal from the teeth as well as interproximal and subgingival regions, while enhancing the user experience, massaging the gums, stimulating dental tissue, and disrupting biofilm.

摘要翻译： 公开了一种口腔卫生装置，其具有超声波换能器22和便于将超声波能量传送到口腔内的流体的声波导24。 公开了在水性环境和牙科浆料中操作的优选的超声操作参数。 设备可以包括驱动电机16，用于以声频振荡装置头23，声波导24和一个或多个刷毛簇26，并且还提供优选的声波操作参数。 公开了多元件压电换能器组件30,40以及各种控制和通信特征。 本文公开的口腔卫生装置实现了从牙齿以及邻近和龈下区域改进的斑块和污渍去除，同时增强了使用者体验，按摩牙龈，刺激牙齿组织和破坏生物膜。