- 专利标题: Fluid seal with swellable material packing
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申请号: EP13178907.5申请日: 2013-08-01
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公开(公告)号: EP2703599B1公开(公告)日: 2020-04-08
- 发明人: Campbell, Robert Angus , Schmidt, Richard T.
- 申请人: Freudenberg Oil & Gas, LLC
- 申请人地址: 10035 Brookriver Drive Suite 400 Houston TX Texas 77040 US
- 专利权人: Freudenberg Oil & Gas, LLC
- 当前专利权人: Freudenberg Oil & Gas, LLC
- 当前专利权人地址: 10035 Brookriver Drive Suite 400 Houston TX Texas 77040 US
- 代理机构: Schaumburg und Partner Patentanwälte mbB
- 优先权: US201213603085 20120904
- 主分类号: E21B33/03
- IPC分类号: E21B33/03
公开/授权文献
- EP2703599A3 Fluid seal with swellable material packing 公开/授权日:2016-02-17
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