NL Sperry-Sun, Inc.

Organization

Stafford, TX, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Method of predicting the torque and drag in directional wells
- Patent number 4,848,144
- Issue date Jul 18, 1989
- NL Sperry Sun, Inc.
- Hwa-Shan Ho
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of determining the orientation of a surveying instrument in...
- Patent number 4,819,336
- Issue date Apr 11, 1989
- NL Sperry Sun, Inc.
- Anthony W. Russell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bearing sleeves
- Patent number 4,810,105
- Issue date Mar 7, 1989
- NL Sperry Sun, Inc.
- Colin Arlott
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mud pressure control system with magnetic torque transfer
- Patent number 4,802,150
- Issue date Jan 31, 1989
- NL Sperry-Sun, Inc.
- Michael K. Russell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for surveying a borehole comprising a magnetic measuremen...
- Patent number 4,794,336
- Issue date Dec 27, 1988
- NL Sperry-Sun, Inc.
- Peter J. C. Marlow
- G01 - MEASURING TESTING
Information Patent Grant
Mud pressure control system
- Patent number 4,636,995
- Issue date Jan 13, 1987
- NL Sperry-Sun, Inc.
- Michael K. Russell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Borehole acoustic telemetry system with phase shifted signal
- Patent number 4,562,559
- Issue date Dec 31, 1985
- NL Sperry-Sun, Inc.
- H. Eugene Sharp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for signalling within a borehole while drilling
- Patent number 4,535,429
- Issue date Aug 13, 1985
- NL Sperry-Sun, Inc.
- Anthony W. Russell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Surveying of a borehole for position determination
- Patent number 4,507,958
- Issue date Apr 2, 1985
- NL Sperry-Sun, Inc.
- Anthony W. Russell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Continuous borehole telemetry system and method
- Patent number 4,399,877
- Issue date Aug 23, 1983
- NL Sperry Sun, Inc.
- Joshua M. Jackson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Borehole tool
- Patent number 4,393,598
- Issue date Jul 19, 1983
- NL Sperry Sun, Inc.
- Steven W. Powell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Data transmission in a drill string
- Patent number 4,390,975
- Issue date Jun 28, 1983
- NL Sperry-Sun, Inc.
- Elbert N. Shawhan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73352208 - SPERRY-SUN
- Serial number 73352208
- Registration number 1257985
- Filing date Mar 1, 1982
- NL Sperry-Sun, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73352211 - SPERRY-SUN
- Serial number 73352211
- Registration number 1268957
- Filing date Mar 1, 1982
- NL Sperry-Sun, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73352206 - SPERRY-SUN
- Serial number 73352206
- Registration number 1242425
- Filing date Mar 1, 1982
- NL Sperry-Sun, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73352210
- Serial number 73352210
- Registration number 1268956
- Filing date Mar 1, 1982
- NL Sperry-Sun, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73352209
- Serial number 73352209
- Registration number 1257986
- Filing date Mar 1, 1982
- NL Sperry-Sun, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73352212 - SPERRY-SUN
- Serial number 73352212
- Registration number 1268958
- Filing date Mar 1, 1982
- NL Sperry-Sun, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

NL Sperry-Sun, Inc.

Organization

Patents Grantslast 30 patents

Method of predicting the torque and drag in directional wells

Method of determining the orientation of a surveying instrument in...

Bearing sleeves

Mud pressure control system with magnetic torque transfer

Apparatus for surveying a borehole comprising a magnetic measuremen...

Mud pressure control system

Borehole acoustic telemetry system with phase shifted signal

Apparatus for signalling within a borehole while drilling

Surveying of a borehole for position determination

Continuous borehole telemetry system and method

Borehole tool

Data transmission in a drill string

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

73352208 - SPERRY-SUN

73352211 - SPERRY-SUN

73352206 - SPERRY-SUN

73352210

73352209

73352212 - SPERRY-SUN