Gearhart Industries, Inc.

Organization

Ft. Worth, TX, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for measuring gamma radiation
- Patent number 4,730,263
- Issue date Mar 8, 1988
- Gearhart Industries, Inc.
- Gary L. Mathis
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for acoustically investigating a borehole casi...
- Patent number 4,709,357
- Issue date Nov 24, 1987
- Gearhart Industries, Inc.
- Voldi E. Maki
- E21 - EARTH DRILLING MINING
Information Patent Grant
Debris removal and gauge ring device and method
- Patent number 4,703,804
- Issue date Nov 3, 1987
- Gearhart Industries, Inc.
- Robert L. Stokes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole logging and servicing system with manipulatable logging an...
- Patent number 4,697,638
- Issue date Oct 6, 1987
- Gearhart Industries, Inc.
- Orien M. Knight
- E21 - EARTH DRILLING MINING
Information Patent Grant
Logging device having bimetallic insulating flask
- Patent number 4,694,166
- Issue date Sep 15, 1987
- Gearhart Industries, Inc.
- Dale A. Gearhart
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring resistivity of an earth formation
- Patent number 4,646,026
- Issue date Feb 24, 1987
- Gearhart Industries, Inc.
- Roland E. Chemali
- G01 - MEASURING TESTING
Information Patent Grant
Chemical cutting apparatus having selective pressure bleed-off
- Patent number 4,620,591
- Issue date Nov 4, 1986
- Gearhart Industries, Inc.
- Jamie B. Terrell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chemical cutting method and apparatus
- Patent number 4,619,318
- Issue date Oct 28, 1986
- Gearhart Industries, Inc.
- Jamie B. Terrell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Staged chemical pipe cutter
- Patent number 4,613,394
- Issue date Sep 23, 1986
- Gearhart Industries, Inc.
- Jamie B. Terrell
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Side entry sub with tension release wireline cable clamp
- Patent number 4,603,578
- Issue date Aug 5, 1986
- Gearhart Industries, Inc.
- John W. Stoltz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cable elongation measurement apparatus
- Patent number 4,562,743
- Issue date Jan 7, 1986
- Gearhart Industries, Inc.
- Richard L. Bonine
- G01 - MEASURING TESTING
Information Patent Grant
Radioactivity well logging
- Patent number 4,558,220
- Issue date Dec 10, 1985
- Gearhart Industries, Inc.
- Hilton B. Evans
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for determining the spontaneous earth potentia...
- Patent number 4,523,148
- Issue date Jun 11, 1985
- Gearhart Industries, Inc.
- Walter J. Maciejewski
- G01 - MEASURING TESTING
Information Patent Grant
Drill string sub with self closing cable port valve
- Patent number 4,506,729
- Issue date Mar 26, 1985
- Exxon Production Research Co.
- Albert P. Davis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth formation porosity determination with dual epithermal neutron...
- Patent number 4,506,156
- Issue date Mar 19, 1985
- Gearhart Industries, Inc.
- Marcel L. Mougne
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus including a magnetometer having a pair of U-shaped cores...
- Patent number 4,502,010
- Issue date Feb 26, 1985
- Gearhart Industries, Inc.
- Arthur F. Kuckes
- G01 - MEASURING TESTING
Information Patent Grant
Downhole chemical cutting tool
- Patent number 4,494,601
- Issue date Jan 22, 1985
- Gearhart Industries, Inc.
- Donna K. Pratt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Through tubing bridge plug
- Patent number 4,491,178
- Issue date Jan 1, 1985
- Gearhart Industries, Inc.
- Jamie B. Terrell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for remote attachment
- Patent number 4,470,335
- Issue date Sep 11, 1984
- Gearhart Industries, Inc.
- Earl Johns
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Enhanced flow tool positioner
- Patent number 4,448,248
- Issue date May 15, 1984
- Gearhart Industries, Inc.
- Edward C. Schwind
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chemical method and apparatus for perforating drill collars
- Patent number 4,428,430
- Issue date Jan 31, 1984
- Gearhart Industries, Inc.
- Jamie B. Terrell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole well tool and anchoring assembly
- Patent number 4,415,029
- Issue date Nov 15, 1983
- Gearhart Industries, Inc.
- Donna K. Pratt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded joint toggle-locked with a helical spring
- Patent number 4,408,927
- Issue date Oct 11, 1983
- Gearhart Industries, Inc.
- Igor Fraiberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Early gas detection system for a drill stem test
- Patent number 4,392,377
- Issue date Jul 12, 1983
- Gearhart Industries, Inc.
- E. Edward Rankin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for measuring tilt and relative bearing
- Patent number 4,385,449
- Issue date May 31, 1983
- Gearhart Industries, Inc.
- Alvin B. Miller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for chemical cutting
- Patent number 4,345,646
- Issue date Aug 24, 1982
- Gearhart Industries, Inc.
- Jamie B. Terrell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well formation test-treat-test apparatus and method
- Patent number 4,339,948
- Issue date Jul 20, 1982
- Gearhart Industries, Inc.
- Bobby J. Hallmark
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chemical pipe cutter with exponential spacing between reactant stages
- Patent number 4,315,797
- Issue date Feb 16, 1982
- Gearhart Industries, Inc.
- James M. Peppers
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Calibrated conduit caliper and method
- Patent number 4,302,881
- Issue date Dec 1, 1981
- Gearhart Industries, Inc.
- Edward C. Schwind
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tool for testing earth formations in boreholes
- Patent number 4,292,842
- Issue date Oct 6, 1981
- Gearhart Industries, Inc.
- Bobby J. Hallmark
- E21 - EARTH DRILLING MINING

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Trademarklast 30 trademarks

Information Trademark
73481439 - ELREC
- Serial number 73481439
- Registration number 1320092
- Filing date May 21, 1984
- Gearhart Industries, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73399377 - COMSET
- Serial number 73399377
- Filing date Jan 10, 1983
- Gearhart Industries, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73363934 - FRAX
- Serial number 73363934
- Registration number 1248718
- Filing date May 10, 1982
- Gearhart Industries, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73315739 - MWD
- Serial number 73315739
- Registration number 1199149
- Filing date Jun 22, 1981
- Gearhart Industries, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73270682 - GEARHART THE GO COMPANY
- Serial number 73270682
- Registration number 1247946
- Filing date Jul 18, 1980
- Gearhart Industries, Inc.
- 42 - Scientific and technological services and research and design relating thereto

Gearhart Industries, Inc.

Organization

Patents Grantslast 30 patents

Method and device for measuring gamma radiation

Method and apparatus for acoustically investigating a borehole casi...

Debris removal and gauge ring device and method

Downhole logging and servicing system with manipulatable logging an...

Logging device having bimetallic insulating flask

Method and apparatus for measuring resistivity of an earth formation

Chemical cutting apparatus having selective pressure bleed-off

Chemical cutting method and apparatus

Staged chemical pipe cutter

Side entry sub with tension release wireline cable clamp

Cable elongation measurement apparatus

Radioactivity well logging

Method and apparatus for determining the spontaneous earth potentia...

Drill string sub with self closing cable port valve

Earth formation porosity determination with dual epithermal neutron...

Apparatus including a magnetometer having a pair of U-shaped cores...

Downhole chemical cutting tool

Through tubing bridge plug

Method and apparatus for remote attachment

Enhanced flow tool positioner

Chemical method and apparatus for perforating drill collars

Downhole well tool and anchoring assembly

Threaded joint toggle-locked with a helical spring

Early gas detection system for a drill stem test

Method and apparatus for measuring tilt and relative bearing

Apparatus for chemical cutting

Well formation test-treat-test apparatus and method

Chemical pipe cutter with exponential spacing between reactant stages

Calibrated conduit caliper and method

Tool for testing earth formations in boreholes

Trademarklast 30 trademarks

73481439 - ELREC

73399377 - COMSET

73363934 - FRAX

73315739 - MWD

73270682 - GEARHART THE GO COMPANY