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RAMSEY ENGINEERING COMPANY
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ST. PAUL, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for in situ assemblage of a strain sensor in e...
Patent number
4,813,820
Issue date
Mar 21, 1989
Ramsey Engineering
Lawrence O. Cadwell
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for in situ assemblage of a strain sensor in e...
Patent number
4,738,135
Issue date
Apr 19, 1988
Ramsey Engineering Company
Lawrence O. Cadwell
G01 - MEASURING TESTING
Information
Patent Grant
Probe for an apparatus for analyzing metals by X-ray fluorescence
Patent number
4,686,694
Issue date
Aug 11, 1987
Ramsey Engineering Company
Peter F. Berry
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for digital specific gravity measurement
Patent number
4,590,579
Issue date
May 20, 1986
Ramsey Engineering Company
Tom L. Erb
G01 - MEASURING TESTING
Information
Patent Grant
Self-test circuit for multi-point level indicator
Patent number
4,476,460
Issue date
Oct 9, 1984
Ramsey Engineering Company
James V. Motsinger
G08 - SIGNALLING
Information
Patent Grant
Portable apparatus for analyzing metals by X-ray fluorescence
Patent number
4,429,409
Issue date
Jan 31, 1984
Ramsey Engineering Company
Peter F. Berry
G01 - MEASURING TESTING
Information
Patent Grant
Wall build-up detector for a multi-point level indicator
Patent number
4,410,886
Issue date
Oct 18, 1983
Ramsey Engineering Company
James V. Motsinger
G01 - MEASURING TESTING
Information
Patent Grant
Multi-point level indicator system
Patent number
4,396,911
Issue date
Aug 2, 1983
Ramsey Engineering Company
James V. Motsinger
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for flow measurement using Doppler frequency s...
Patent number
4,295,378
Issue date
Oct 20, 1981
Ramsey Engineering Company
Tom L. Erb
G01 - MEASURING TESTING
Information
Patent Grant
Liquid coupling for doppler sonic flowmeter
Patent number
4,279,167
Issue date
Jul 21, 1981
Ramsey Engineering Company
Tom L. Erb
G01 - MEASURING TESTING
Information
Patent Grant
Radiation attenuation weighing system for a vertical material feeder
Patent number
4,238,956
Issue date
Dec 16, 1980
Ramsey Engineering Company
Joseph T. Sniezek
G01 - MEASURING TESTING
Information
Patent Grant
Digital point level switch method and apparatus
Patent number
4,140,908
Issue date
Feb 20, 1979
Ramsey Engineering Company
Tom L. Erb
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73445580 - MICRO MONITOR
Serial number
73445580
Registration number
1338570
Filing date
Sep 28, 1983
RAMSEY ENGINEERING COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73079075 - µP
Serial number
73079075
Registration number
1054561
Filing date
Mar 3, 1976
Ramsey Engineering Company, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72388425 - CRUSH-R-TROL
Serial number
72388425
Registration number
948529
Filing date
Apr 5, 1971
RAMSEY ENGINEERING COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72388426 - UNITRAIN
Serial number
72388426
Registration number
962560
Filing date
Apr 5, 1971
RAMSEY ENGINEERING COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72199611 - DIGI-WEIGH
Serial number
72199611
Registration number
790685
Filing date
Aug 10, 1964
RAMSEY ENGINEERING COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72157143 - VEY-R-WEIGH
Serial number
72157143
Registration number
756393
Filing date
Nov 13, 1962
RAMSEY ENGINEERING COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72127423 - REC
Serial number
72127423
Registration number
733079
Filing date
Sep 7, 1961
RAMSEY ENGINEERING COMPANY
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments