Thomas A. O'Hanlon

Person

Tacoma, WA, US

People

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 installment of underground utilities
- Patent number 4,787,463
- Issue date Nov 29, 1988
- FlowMole Corporation
- Edward Geller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for installment of underground utilities
- Patent number 4,674,579
- Issue date Jun 23, 1987
- FlowMole Corporation
- Edward Geller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Leakproof high pressure nozzle assembly
- Patent number 4,660,773
- Issue date Apr 28, 1987
- Flow Industries, Inc.
- Thomas A. O'Hanlon
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Cutter assembly
- Patent number 4,540,056
- Issue date Sep 10, 1985
- Inco Limited
- Thomas A. O'Hanlon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cable reaming apparatus and method
- Patent number 4,534,425
- Issue date Aug 13, 1985
- Electric Power Research Institute, Inc.
- James M. Reichman
- G02 - OPTICS
Information Patent Grant
Cable reaming apparatus and method
- Patent number 4,493,379
- Issue date Jan 15, 1985
- Electric Power Research Institute, Inc.
- James M. Reichman
- G02 - OPTICS
Information Patent Grant
Hand held water drilling apparatus
- Patent number 4,437,525
- Issue date Mar 20, 1984
- Flow Industries, Inc.
- Tom A. O'Hanlon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cable reaming apparatus
- Patent number 4,385,667
- Issue date May 31, 1983
- Electric Power Research Institute, Inc.
- James M. Reichman
- G02 - OPTICS

Thomas A. O'Hanlon

Person

Patents Grantslast 30 patents

Down hole pressure intensifier and drilling assembly and method

Fixed-cutter drill bit assembly and method

Method and apparatus for installment of underground utilities

Method and apparatus for installment of underground utilities

Leakproof high pressure nozzle assembly

Cutter assembly

Cable reaming apparatus and method

Cable reaming apparatus and method

Hand held water drilling apparatus

Cable reaming apparatus