Flowdril Corporation

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Kent, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Down hole pressure intensifier and drilling assembly and method
- Patent number 5,787,998
- Issue date Aug 4, 1998
- Flowdril Corporation
- Thomas A. O'Hanlon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fixed-cutter drill bit assembly and method
- Patent number 5,595,252
- Issue date Jan 21, 1997
- Flowdril Corporation
- Thomas A. O'Hanlon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for removing the inner conduit from a dual pas...
- Patent number 4,691,790
- Issue date Sep 8, 1987
- Flowdril Corporation
- James M. Reichman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for combined jet and mechanical drilling
- Patent number 4,624,327
- Issue date Nov 25, 1986
- Flowdril Corporation
- James R. Reichman
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
75830741 - DHP
- Serial number 75830741
- Filing date Oct 20, 1999
- FLOWDRIL CORPORATION
- 7 - Machines and machine tools
Information Trademark
74660651 - DHP
- Serial number 74660651
- Filing date Apr 13, 1995
- FLOWDRIL CORPORATION
- 7 - Machines and machine tools
Information Trademark
74178263 - FLOWDRIL
- Serial number 74178263
- Registration number 1811115
- Filing date Jun 20, 1991
- FLOWDRIL CORPORATION
- 37 - Building construction