Develco, Inc.

Organization

Sunnyvale, CA, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Short hop communication link for downhole MWD system
- Patent number 5,160,925
- Issue date Nov 3, 1992
- Smith International, Inc.
- Patrick E. Dailey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for measuring strata resistivity adjacent a bo...
- Patent number 5,089,779
- Issue date Feb 18, 1992
- Develco, Inc.
- Louis H. Rorden
- G01 - MEASURING TESTING
Information Patent Grant
Correlation for combinational coded telemetry
- Patent number 5,067,114
- Issue date Nov 19, 1991
- Develco, Inc.
- Louis H. Rorden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gimballed antenna
- Patent number 5,027,129
- Issue date Jun 25, 1991
- Develco, Inc.
- Henry S. More
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solenoid actuator and pulse drive
- Patent number 4,953,616
- Issue date Sep 4, 1990
- Develco, Inc.
- Louis H. Borden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gimballed antenna
- Patent number 4,926,188
- Issue date May 15, 1990
- Develco Incorporated
- Henry S. More
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Combinatorial coded telemetry in MWD
- Patent number 4,908,804
- Issue date Mar 13, 1990
- Develco, Inc.
- Louis H. Rorden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Actuation method
- Patent number 4,878,053
- Issue date Oct 31, 1989
- Develco, Inc.
- Louis H. Rorden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for stabilizing a communication sensor in a bo...
- Patent number 4,823,125
- Issue date Apr 18, 1989
- Develco, Inc.
- Louis H. Rorden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Combinatorial coded telemetry
- Patent number 4,787,093
- Issue date Nov 22, 1988
- Develco, Inc.
- Louis H. Rorden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subsurface device actuator requiring minimum power
- Patent number 4,736,791
- Issue date Apr 12, 1988
- Develco, Inc.
- Louis H. Rorden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus employing received independent magnetic field...
- Patent number 4,710,708
- Issue date Dec 1, 1987
- Develco
- Louis H. Rorden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Precision connector for well instrumentation
- Patent number 4,646,831
- Issue date Mar 3, 1987
- Develco, Incorporated
- John L. Marsh
- E21 - EARTH DRILLING MINING
Information Patent Grant
Verification of a surface controlled subsurface actuating device
- Patent number 4,617,960
- Issue date Oct 21, 1986
- Develco, Inc.
- Henry S. More
- G08 - SIGNALLING
Information Patent Grant
Ball inclinometer
- Patent number 4,587,741
- Issue date May 13, 1986
- Develco, Inc.
- Louis H. Rorden
- G01 - MEASURING TESTING
Information Patent Grant
Superconductive magnetic shield and method of making same
- Patent number 4,221,834
- Issue date Sep 9, 1980
- Develco, Inc.
- James E. Opfer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wireless subterranean signaling method
- Patent number 3,967,201
- Issue date Jun 29, 1976
- Develco, Inc.
- Louis H. Rorden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gradient wound trim coil for trimming a primary pickup coil
- Patent number 3,965,411
- Issue date Jun 22, 1976
- Develco, Inc.
- Victor W. Hesterman
- G01 - MEASURING TESTING
Information Patent Grant
Trimmed superconductive magnetic pickup coil circuits
- Patent number 3,956,690
- Issue date May 11, 1976
- Develco, Inc.
- Louis H. Rorden
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73606962 - EM-SCSSV
- Serial number 73606962
- Filing date Jun 30, 1986
- DEVELCO, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73417337 - DEVELCO
- Serial number 73417337
- Registration number 1308701
- Filing date Mar 15, 1983
- Develco, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73409817 - PROVEN OILWELL SERVICE INSTRUMENTS
- Serial number 73409817
- Registration number 1345704
- Filing date Jan 17, 1983
- Develco, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73220607 - EMTEL
- Serial number 73220607
- Registration number 1163504
- Filing date Jun 21, 1979
- Develco, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

Develco, Inc.

Organization

Patents Grantslast 30 patents

Short hop communication link for downhole MWD system

Method and apparatus for measuring strata resistivity adjacent a bo...

Correlation for combinational coded telemetry

Gimballed antenna

Solenoid actuator and pulse drive

Gimballed antenna

Combinatorial coded telemetry in MWD

Actuation method

Method and apparatus for stabilizing a communication sensor in a bo...

Combinatorial coded telemetry

Subsurface device actuator requiring minimum power

Method and apparatus employing received independent magnetic field...

Precision connector for well instrumentation

Verification of a surface controlled subsurface actuating device

Ball inclinometer

Superconductive magnetic shield and method of making same

Wireless subterranean signaling method

Gradient wound trim coil for trimming a primary pickup coil

Trimmed superconductive magnetic pickup coil circuits

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

73606962 - EM-SCSSV

73417337 - DEVELCO

73409817 - PROVEN OILWELL SERVICE INSTRUMENTS

73220607 - EMTEL