Jianmin Li

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for gripping an elongated item
- Patent number 7,934,697
- Issue date May 3, 2011
- Rectorseal Corporation
- Henry Gohlke
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Apparatus and methods for gripping an elongated item
- Patent number 7,478,794
- Issue date Jan 20, 2009
- Rectorseal Corporation
- Henry Gohlke
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Anti-ovaling mechanical coupler
- Patent number 6,851,342
- Issue date Feb 8, 2005
- DJ Technologies, Inc.
- Larry Dugan
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHODS FOR GRIPPING AN ELONGATED ITEM
- Publication number 20090070966
- Publication date Mar 19, 2009
- RECTORSEAL CORPORATION
- Henry Gohlke
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Anti-ovaling mechanical coupler
- Publication number 20040149092
- Publication date Aug 5, 2004
- Larry Dugan
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS