CHRISTENSEN, INC.

Organization

SALT LAKE CITY, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Universal ball joint
- Patent number 4,904,228
- Issue date Feb 27, 1990
- Norton Christensen, Inc.
- Lawrence Frear
- E21 - EARTH DRILLING MINING
Information Patent Grant
Deep-borehole drilling device with magnetic coupling
- Patent number 4,732,225
- Issue date Mar 22, 1988
- Norton Christensen, Inc.
- Rainer Jurgens
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of and apparatus for telemetering information from a point i...
- Patent number RE32463
- Issue date Jul 28, 1987
- Norton Christensen, Inc.
- John H. Westlake
- 175 - Boring or penetrating the earth
Information Patent Grant
Hydraulic inner barrel in a drill string coring tool
- Patent number 4,664,205
- Issue date May 12, 1987
- Norton Christensen, Inc.
- Kelly Knighton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Core barrel apparatus for disposing a core within a thin, flexible...
- Patent number 4,643,265
- Issue date Feb 17, 1987
- Norton Christensen, Inc.
- Noboru Aiura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process and device for transmitting information over a distance
- Patent number 4,641,289
- Issue date Feb 3, 1987
- Norton Christensen, Inc.
- Rainer Jurgens
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit
- Patent number 4,635,738
- Issue date Jan 13, 1987
- Norton Christensen, Inc.
- Hans Schillinger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drive device for a drill bit
- Patent number 4,629,013
- Issue date Dec 16, 1986
- Norton Christensen, Inc.
- Volker Kruger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for delivering flowable material
- Patent number 4,614,232
- Issue date Sep 30, 1986
- Norton Christensen, Inc.
- Rainer Jurgens
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cammed and shrouded core catcher
- Patent number 4,607,710
- Issue date Aug 26, 1986
- Norton Christensen, Inc.
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of forming a diamond tooth insert for a drill bit and a diam...
- Patent number 4,608,226
- Issue date Aug 26, 1986
- Norton Christensen, Inc.
- Jean-Pierre Lauvinerie
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Self activating, positively driven concealed core catcher
- Patent number 4,606,416
- Issue date Aug 19, 1986
- Norton Christensen, Inc.
- Kelly Knighton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shrouded core catcher
- Patent number 4,605,075
- Issue date Aug 12, 1986
- Norton Christensen, Inc.
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for downward displacement of an inner tube within a corin...
- Patent number 4,603,749
- Issue date Aug 5, 1986
- Norton Christensen, Inc.
- J. Stanley Davis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter configuration for a gage-to-shoulder transition and face pat...
- Patent number 4,586,574
- Issue date May 6, 1986
- Norton Christensen, Inc.
- Richard H. Grappendorf
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automatic drill pipe inside wiper
- Patent number 4,580,635
- Issue date Apr 8, 1986
- Norton Christensen, Inc.
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adjustable bearing section core barrel
- Patent number 4,580,643
- Issue date Apr 8, 1986
- Norton Christensen, Inc.
- Douglas G. Fox
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bearing system for a downhole motor
- Patent number 4,577,704
- Issue date Mar 25, 1986
- Norton Christensen, Inc.
- James T. Aumann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulically pulsed indexing system for sleeve-type core barrels
- Patent number 4,573,539
- Issue date Mar 4, 1986
- Norton Christensen, Inc.
- Jimmy L. Carroll
- E21 - EARTH DRILLING MINING
Information Patent Grant
Replaceable nozzles for insertion into a drilling bit formed by pow...
- Patent number 4,567,954
- Issue date Feb 4, 1986
- Norton Christensen, Inc.
- Robert W. Voight
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Coring device with an improved core sleeve and anti-gripping collar...
- Patent number 4,566,545
- Issue date Jan 28, 1986
- Norton Christensen, Inc.
- Arthur L. Story
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anti-jamming core barrels
- Patent number 4,558,749
- Issue date Dec 17, 1985
- Norton Christensen, Inc.
- Larry R. Fulkerson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic lift inner barrel in a drill string coring tool
- Patent number 4,553,613
- Issue date Nov 19, 1985
- Norton Christensen, Inc.
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Compensation device for insertion in a drill string for deep-well d...
- Patent number 4,553,614
- Issue date Nov 19, 1985
- Norton Christensen, Inc.
- Rainer Jurgens
- E21 - EARTH DRILLING MINING
Information Patent Grant
Externally powered core catcher
- Patent number 4,552,229
- Issue date Nov 12, 1985
- Norton Christensen, Inc.
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotating pilot core bit for use in highly fractured formations
- Patent number 4,552,231
- Issue date Nov 12, 1985
- Norton Christensen, Inc.
- Clifford R. Pay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Diamond rotating bit
- Patent number 4,550,790
- Issue date Nov 5, 1985
- Norton Christensen, Inc.
- Howard D. Link
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for manufacturing cutting elements particularl...
- Patent number 4,537,097
- Issue date Aug 27, 1985
- Christensen, Inc.
- Roland Illerhaus
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cutting tooth and a rotating bit having a fully exposed polycrystal...
- Patent number 4,529,047
- Issue date Jul 16, 1985
- Norton Christensen, Inc.
- Alexander K. Meskin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth-boring drill bit with rectangular nozzles
- Patent number 4,527,642
- Issue date Jul 9, 1985
- Norton Christensen, Inc.
- Ruth H. Knowlton
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73591029 - NORTRAK
- Serial number 73591029
- Filing date Mar 31, 1986
- NORTON CHRISTENSEN, INC.
- 7 - Machines and machine tools
Information Trademark
73519353 - CHRISTENSEN
- Serial number 73519353
- Registration number 1388806
- Filing date Jan 25, 1985
- NORTON CHRISTENSEN, INC.
- 7 - Machines and machine tools
Information Trademark
73479556 - BALLASET
- Serial number 73479556
- Registration number 1352432
- Filing date May 9, 1984
- NORTON CHRISTENSEN INC.
- 7 - Machines and machine tools
Information Trademark
73460056 - ACCU-TRAK
- Serial number 73460056
- Registration number 1345754
- Filing date Jan 9, 1984
- CHRISTENSEN INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73337876 - ROCKUT
- Serial number 73337876
- Registration number 1212184
- Filing date Nov 19, 1981
- Christensen, Inc.
- 7 - Machines and machine tools
Information Trademark
73281553 - CHRISDRIL
- Serial number 73281553
- Registration number 1175862
- Filing date Oct 14, 1980
- Christensen, Inc.
- 7 - Machines and machine tools
Information Trademark
73265220 - CHRISTENSEN LESS COST PER FOOT
- Serial number 73265220
- Registration number 1168966
- Filing date Jun 6, 1980
- Christensen, Inc.
- 7 - Machines and machine tools
Information Trademark
73247589 - LESS COST PER FOOT
- Serial number 73247589
- Registration number 1230829
- Filing date Jan 25, 1980
- Christensen, Inc.
- 7 - Machines and machine tools
Information Trademark
73232442 - SPEED-MILL
- Serial number 73232442
- Registration number 1160656
- Filing date Sep 24, 1979
- Christensen, Inc.
- 7 - Machines and machine tools
Information Trademark
73181626 - FULL DIAMOND POWER
- Serial number 73181626
- Registration number 1221426
- Filing date Aug 10, 1978
- Christensen, Inc.
- 7 - Machines and machine tools
Information Trademark
73181064 - POWER-TORQUE
- Serial number 73181064
- Registration number 1133495
- Filing date Aug 4, 1978
- CHRISTENSEN, INC.
- 7 - Machines and machine tools
Information Trademark
73083281 - ROCKYBACK
- Serial number 73083281
- Registration number 1063164
- Filing date Apr 9, 1976
- CHRISTENSEN, INC.
- 7 - Machines and machine tools

CHRISTENSEN, INC.

Organization

Patents Grantslast 30 patents

Universal ball joint

Deep-borehole drilling device with magnetic coupling

Method of and apparatus for telemetering information from a point i...

Hydraulic inner barrel in a drill string coring tool

Core barrel apparatus for disposing a core within a thin, flexible...

Process and device for transmitting information over a distance

Drill bit

Drive device for a drill bit

Device for delivering flowable material

Cammed and shrouded core catcher

Method of forming a diamond tooth insert for a drill bit and a diam...

Self activating, positively driven concealed core catcher

Shrouded core catcher

Apparatus for downward displacement of an inner tube within a corin...

Cutter configuration for a gage-to-shoulder transition and face pat...

Automatic drill pipe inside wiper

Adjustable bearing section core barrel

Bearing system for a downhole motor

Hydraulically pulsed indexing system for sleeve-type core barrels

Replaceable nozzles for insertion into a drilling bit formed by pow...

Coring device with an improved core sleeve and anti-gripping collar...

Anti-jamming core barrels

Hydraulic lift inner barrel in a drill string coring tool

Compensation device for insertion in a drill string for deep-well d...

Externally powered core catcher

Rotating pilot core bit for use in highly fractured formations

Diamond rotating bit

Method and apparatus for manufacturing cutting elements particularl...

Cutting tooth and a rotating bit having a fully exposed polycrystal...

Earth-boring drill bit with rectangular nozzles

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

73591029 - NORTRAK

73519353 - CHRISTENSEN

73479556 - BALLASET

73460056 - ACCU-TRAK

73337876 - ROCKUT

73281553 - CHRISDRIL

73265220 - CHRISTENSEN LESS COST PER FOOT

73247589 - LESS COST PER FOOT

73232442 - SPEED-MILL

73181626 - FULL DIAMOND POWER

73181064 - POWER-TORQUE

73083281 - ROCKYBACK