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Hugo S. Ferguson
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Averill Park, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Servo-controlled integral stop for use with a servo-controlled hydr...
Patent number
6,742,440
Issue date
Jun 1, 2004
Dynamic Systems, Inc.
Hugo S. Ferguson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Apparatus for a thermodynamic material testing system that produces...
Patent number
6,422,090
Issue date
Jul 23, 2002
Dynamic Systems Inc.
Hugo S. Ferguson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Signal controlled waveform recorder
Patent number
RE34843
Issue date
Jan 31, 1995
Duffers Scientific, Inc.
Hugo S. Ferguson
360 - Dynamic magnetic information storage or retrieval
Information
Patent Grant
Oven that exhibits both self-resistive and self-inductive heating
Patent number
5,315,085
Issue date
May 24, 1994
Dynamic Systems Inc.
Hugo S. Ferguson
G01 - MEASURING TESTING
Information
Patent Grant
Test specimen/jaw assembly that exhibits both self-resistive and se...
Patent number
5,202,542
Issue date
Apr 13, 1993
Duffers Scientific, Inc.
Hugo S. Ferguson
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for optically measuring specimen deformation during mater...
Patent number
5,199,304
Issue date
Apr 6, 1993
Duffers Scientific, Inc.
Hugo S. Ferguson
G01 - MEASURING TESTING
Information
Patent Grant
Dynamic thermal-mechanical material testing system utilizing a bala...
Patent number
5,195,378
Issue date
Mar 23, 1993
Duffers Scientific, Inc.
Hugo S. Ferguson
G01 - MEASURING TESTING
Information
Patent Grant
Dynamic material testing system having independent control over spe...
Patent number
5,092,179
Issue date
Mar 3, 1992
Duffers Scientific, Inc.
Hugo S. Ferguson
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for measuring and controlling indentation in r...
Patent number
4,734,555
Issue date
Mar 29, 1988
Duffers Scientific, Inc.
Hugo S. Ferguson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
One step RMS system
Patent number
4,721,906
Issue date
Jan 26, 1988
Duffers Scientific, Inc.
Hugo S. Ferguson
G01 - MEASURING TESTING
Information
Patent Grant
Signal controlled waveform recorder
Patent number
4,631,697
Issue date
Dec 23, 1986
Duffers Scientific, Inc.
Hugo S. Ferguson
G01 - MEASURING TESTING
Information
Patent Grant
Bumpless feedback switching apparatus for use in a servo system
Patent number
4,509,000
Issue date
Apr 2, 1985
Duffers Scientific, Inc.
Hugo S. Ferguson
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
Servo-controlled integral stop for use with a servo-controlled hydr...
Publication number
20030217639
Publication date
Nov 27, 2003
Hugo S. Ferguson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL