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EXPLORATION LOGGING, INC.
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SACRAMENTO, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Externally mounted radioactivity detector for MWD
Patent number
4,904,865
Issue date
Feb 27, 1990
Exploration Logging, Inc.
James E. Meisner
G01 - MEASURING TESTING
Information
Patent Grant
Downhole vibration monitoring of a drillstring
Patent number
4,903,245
Issue date
Feb 20, 1990
Exploration Logging, Inc.
David A. Close
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for compensating for drilling line stretch in...
Patent number
4,756,188
Issue date
Jul 12, 1988
Exploration Logging, Inc.
Martin J. Fennell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for well logging telemetry
Patent number
4,699,352
Issue date
Oct 13, 1987
Exploration Logging, Inc.
Edward S. Mumby
E21 - EARTH DRILLING MINING
Information
Patent Grant
Noise subtraction filter
Patent number
4,642,800
Issue date
Feb 10, 1987
Exploration Logging, Inc.
Takato Umeda
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for making logging sleeve
Patent number
4,601,100
Issue date
Jul 22, 1986
Exploration Logging, Inc.
Henry S. More
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for well logging telemetry
Patent number
4,550,392
Issue date
Oct 29, 1985
Exploration Logging, Inc.
Edward S. Mumby
E21 - EARTH DRILLING MINING
Information
Patent Grant
Data encoding and synchronization for pulse telemetry
Patent number
4,513,403
Issue date
Apr 23, 1985
Exploration Logging, Inc.
George W. Troy
G08 - SIGNALLING
Information
Patent Grant
Direct current control in inductive loads
Patent number
4,511,829
Issue date
Apr 16, 1985
Exploration Logging, Inc.
Waldemar S. Wisniewski
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Well logging apparatus with replaceable sensor carrying insulating...
Patent number
4,494,072
Issue date
Jan 15, 1985
Exploration Logging, Inc.
John D. Jeter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well logging apparatus and method for making same
Patent number
4,483,393
Issue date
Nov 20, 1984
Exploration Logging, Inc.
Henry S. More
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for well logging while drilling
Patent number
4,405,021
Issue date
Sep 20, 1983
Exploration Logging, Inc.
Edward S. Mumby
E21 - EARTH DRILLING MINING
Information
Patent Grant
Servo valve for well-logging telemetry
Patent number
4,386,422
Issue date
May 31, 1983
Exploration Logging, Inc.
Edward S. Mumby
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of making well logging apparatus
Patent number
4,356,629
Issue date
Nov 2, 1982
Exploration Logging, Inc.
John D. Jeter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for measuring the movement of a spiral wound w...
Patent number
4,338,565
Issue date
Jul 6, 1982
Exploration Logging, Inc.
Ronald A. Hall
G01 - MEASURING TESTING
Information
Patent Grant
Solenoid control circuit
Patent number
4,336,564
Issue date
Jun 22, 1982
Exploration Logging, Inc.
Waldemar S. Wisniewski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Carrier system for positioning sensors adjacent a wire rope
Patent number
4,312,223
Issue date
Jan 26, 1982
Exploration Logging, Inc.
Christopher E. Koch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Transmitting well logging data
Patent number
4,216,536
Issue date
Aug 5, 1980
Exploration Logging, Inc.
Henry S. More
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73679953 - QUADRANT
Serial number
73679953
Registration number
1486005
Filing date
Aug 21, 1987
Exploration Logging, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73517282 - DRILLING ASSISTANT
Serial number
73517282
Filing date
Jan 14, 1985
Exploration Logging, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73517283 - XL-COM
Serial number
73517283
Registration number
1353295
Filing date
Jan 14, 1985
Exploration Logging, Inc.
38 - Telecommunications
Information
Trademark
73460788 - RIG SCAN
Serial number
73460788
Registration number
1343511
Filing date
Jan 13, 1984
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73448283 - DMWD
Serial number
73448283
Registration number
1357290
Filing date
Oct 17, 1983
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73380725 - BPL
Serial number
73380725
Registration number
1247388
Filing date
Aug 19, 1982
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73380712 - D-LOG
Serial number
73380712
Registration number
1247387
Filing date
Aug 19, 1982
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73380734 - ALFA
Serial number
73380734
Registration number
1247389
Filing date
Aug 19, 1982
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73336119 - EXLOG/MONACO
Serial number
73336119
Registration number
1234039
Filing date
Nov 9, 1981
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73292224 - 4-D/L
Serial number
73292224
Filing date
Jan 8, 1981
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73292225 - D-LOG
Serial number
73292225
Filing date
Jan 8, 1981
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73292226 - DLWD
Serial number
73292226
Registration number
1295079
Filing date
Jan 8, 1981
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73248111 - EXLOG/SMITH
Serial number
73248111
Registration number
1182529
Filing date
Jan 28, 1980
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73191155 - EXLOG
Serial number
73191155
Registration number
1153467
Filing date
Oct 30, 1978
Exploration Logging, Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73146450 - ELOS
Serial number
73146450
Registration number
1109759
Filing date
Oct 28, 1977
EXPLORATION LOGGING, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73146448 - EXLOG
Serial number
73146448
Registration number
1108971
Filing date
Oct 28, 1977
EXPLORATION LOGGING, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73145820 - E
Serial number
73145820
Registration number
1096349
Filing date
Oct 25, 1977
EXPLORATION LOGGING INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73145341 - GEMDAS
Serial number
73145341
Registration number
1106345
Filing date
Oct 20, 1977
EXPLORATION LOGGING INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73145342 - ADES
Serial number
73145342
Registration number
1092563
Filing date
Oct 20, 1977
EXPLORATION LOGGING INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73145343 - EXPLORATION LOGGING
Serial number
73145343
Registration number
1115035
Filing date
Oct 20, 1977
EXPLORATION LOGGING INC.
42 - Scientific and technological services and research and design relating thereto