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SYSTRON-DONNER CORPORATION
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CONCORD, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pressurized extinguishant release device with rolling diaphragm
Patent number
5,458,202
Issue date
Oct 17, 1995
Systron Donner Corporation
Robert A. Fellows
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
High speed serrodyne digital frequency translator
Patent number
5,345,239
Issue date
Sep 6, 1994
Systron Donner Corporation
Asad M. Madni
G01 - MEASURING TESTING
Information
Patent Grant
Microwave integrated circuit frequency translating apparatus
Patent number
5,291,201
Issue date
Mar 1, 1994
Systron Donner Corporation
Harvey Endler
G01 - MEASURING TESTING
Information
Patent Grant
High power compact microwave amplifier
Patent number
5,208,554
Issue date
May 4, 1993
Systron Donner Corporation
Harvey Endler
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Compact and lightweight pneumatic pressure detector for fire detect...
Patent number
5,136,278
Issue date
Aug 4, 1992
Systron Donner Corporation
Nigel S. Watson
G08 - SIGNALLING
Information
Patent Grant
Dual linear fire extinguisher
Patent number
5,115,867
Issue date
May 26, 1992
Systron Donner, Corporation
Maurice E. Tyler
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Velocity deception apparatus
Patent number
5,111,206
Issue date
May 5, 1992
Systron-Donner Corp.
Asad M. Madni
G01 - MEASURING TESTING
Information
Patent Grant
Zero force fire extinguisher
Patent number
5,088,560
Issue date
Feb 18, 1992
Systron Donner Corporation
Omar M. Fawal
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Accelerometer based power control apparatus for aircraft subsystem
Patent number
5,004,963
Issue date
Apr 2, 1991
Systron Donner Corporation
Wayne R. Hay
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Velocity deception apparatus and method therefor
Patent number
5,003,312
Issue date
Mar 26, 1991
Systron Donner Corporation
Asad M. Madni
G01 - MEASURING TESTING
Information
Patent Grant
Voltage-to-frequency converter
Patent number
4,994,807
Issue date
Feb 19, 1991
Systron-Donner
Larry P. Hobbs
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital demodulator
Patent number
4,980,687
Issue date
Dec 25, 1990
Systron-Donner
Gerald R. Newell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Linear fire extinguisher
Patent number
4,938,293
Issue date
Jul 3, 1990
Systron-Donner Corp.
Donald E. Warren
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Smoke detector with improved testing
Patent number
4,870,394
Issue date
Sep 26, 1989
Systron-Donner Corp.
John L. Corl
G08 - SIGNALLING
Information
Patent Grant
Method of detecting a fire of open uncontrolled flames
Patent number
4,866,420
Issue date
Sep 12, 1989
Systron-Donner Corp.
Robert H. Meyer
G08 - SIGNALLING
Information
Patent Grant
Linear fire extinguisher
Patent number
4,854,389
Issue date
Aug 8, 1989
Systron-Donner Corp.
Donald E. Warren
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Temperature monitoring apparatus and method therefor
Patent number
4,828,401
Issue date
May 9, 1989
Systron-Donner
David E. Sawyer
G01 - MEASURING TESTING
Information
Patent Grant
Servo accelerometer
Patent number
4,779,463
Issue date
Oct 25, 1988
Systron Donner Corporation
James R. Woodruff
G01 - MEASURING TESTING
Information
Patent Grant
Servoed accelerometer having isolated voltage torquing and method
Patent number
4,651,075
Issue date
Mar 17, 1987
Systron Donner Corporation
Larry P. Hobbs
G01 - MEASURING TESTING
Information
Patent Grant
Transmission line analyzer for automatically identifying the severi...
Patent number
4,630,228
Issue date
Dec 16, 1986
Systron Donner Corporation
Zoltan Tarczy-Hornoch
G01 - MEASURING TESTING
Information
Patent Grant
Drive circuit for YIG tuned devices
Patent number
4,581,594
Issue date
Apr 8, 1986
Systron Donner Corporation
Jonathon L. Kennedy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Passive mass-spring type of sensing device having electronic damping
Patent number
4,538,203
Issue date
Aug 27, 1985
Systron-Donner Corp.
Philip D. Flanner
G01 - MEASURING TESTING
Information
Patent Grant
Fluid line coupling with relief valve
Patent number
4,447,040
Issue date
May 8, 1984
Systron-Donner
Vincent G. Magorien
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Fluid line coupling device
Patent number
4,442,863
Issue date
Apr 17, 1984
Systron-Donner Corp.
Vincent G. Magorien
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Null circuit for use in an angular rate instrument
Patent number
4,365,512
Issue date
Dec 28, 1982
Systron Donner Corporation
James R. Woodruff
G01 - MEASURING TESTING
Information
Patent Grant
Accelerometer including an overall arrangement for reducing tempera...
Patent number
4,338,819
Issue date
Jul 13, 1982
Systron Donner Corporation
Richard D. Marquess
G01 - MEASURING TESTING
Information
Patent Grant
Method of automatically calibrating a microprocessor controlled dig...
Patent number
4,337,517
Issue date
Jun 29, 1982
Systron Donner Corporation
Walter Nickel
G01 - MEASURING TESTING
Information
Patent Grant
Accelerometer
Patent number
4,319,488
Issue date
Mar 16, 1982
Systron-Donner
Larry P. Hobbs
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for connecting data points on a cathode ray tube display...
Patent number
4,311,997
Issue date
Jan 19, 1982
Systron Donner Corporation
Asad M. Madni
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Base line clipper for spectrum analyzer display
Patent number
4,262,249
Issue date
Apr 14, 1981
Systron Donner Corporation
Asad M. Madni
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73777422 - LFE
Serial number
73777422
Registration number
1557784
Filing date
Jan 30, 1989
Systron Donner Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73355262 - TRANSLINE ANALYZER
Serial number
73355262
Registration number
1237150
Filing date
Mar 18, 1982
Systron Donner Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72343012 - WAVELABS
Serial number
72343012
Registration number
917159
Filing date
Nov 7, 1969
SYSTRON-DONNER CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72320658 - SD+
Serial number
72320658
Registration number
931964
Filing date
Mar 3, 1969
SYSTRON-DONNER CORPORATION
37 - Building construction
Information
Trademark
72320192 - SD/SCIENTIFIC DEVICES
Serial number
72320192
Registration number
962255
Filing date
Feb 26, 1969
SYSTRON-DONNER CORPORATION
35 - Advertising
Information
Trademark
72287180 - SYSTRON DONNER
Serial number
72287180
Registration number
881225
Filing date
Dec 18, 1967
SYSTRON-DONNER CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72287179 - SD
Serial number
72287179
Registration number
881683
Filing date
Dec 18, 1967
SYSTRON-DONNER CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72242067 - ACTO
Serial number
72242067
Registration number
839109
Filing date
Mar 28, 1966
SYSTRON-DONNER CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72171285 - SYSTRAC
Serial number
72171285
Registration number
769914
Filing date
Jun 18, 1963
SYSTRON-DONNER CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72102281 - SYSTRON
Serial number
72102281
Registration number
732716
Filing date
Aug 8, 1960
SYSTRON-DONNER CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments