Inventor · disambiguated record
Hugo S. Ferguson
Also filed as: FERGUSON HUGO S · STANLEY FERGUSON H
17 granted patents·419 citations·filing 1976–2003
95Inventor score
Top patents by PatentIndex Score
17 records- 0190US4734555AMethod and apparatus for measuring and controlling indentation in resistance weldingDUFFERS SCIENT INC·Filed 1987·Granted Mar 29, 1988·61 cites·40 claims
- 0285US5092179ADynamic material testing system having independent control over specimen deformation and strain rate and a method for use thereinDUFFERS SCIENT INC·Filed 1991·Granted Mar 3, 1992·72 cites·26 claims
- 0379US6422090B1Apparatus for a thermodynamic material testing system that produces very large strains in crystalline metallic specimens and accompanying methods for use thereinDYNAMIC SYSTEMS INT INC·Filed 2000·Granted Jul 23, 2002·20 cites·21 claims
- 0478US4257214ACross flow rotary mowerDUFFERS ASS·Filed 1978·Granted Mar 24, 1981·37 cites·43 claims
- 0575US5202542ATest specimen/jaw assembly that exhibits both self-resistive and self-inductive heating in response to an alternating electrical current flowing therethroughDUFFERS SCIENT INC·Filed 1991·Granted Apr 13, 1993·35 cites·35 claims
- 0669US5195378ADynamic thermal-mechanical material testing system utilizing a balanced magnetic fieldDUFFERS SCIENT INC·Filed 1991·Granted Mar 23, 1993·35 cites·18 claims
- 0767US5199304AApparatus for optically measuring specimen deformation during material testingDUFFERS SCIENT INC·Filed 1992·Granted Apr 6, 1993·32 cites·18 claims
- 0867US4109447AMower of the cross-flow blower type with blades of opposite helix angleFERGUSON HUGO S·Filed 1976·Granted Aug 29, 1978·18 cites·15 claims
- 0963US5315085AOven that exhibits both self-resistive and self-inductive heatingDYNAMIC SYSTEMS INT INC·Filed 1992·Granted May 24, 1994·23 cites·18 claims
- 1063US4127980ACrossflow mower with automatic brake/sharpenerFERGUSON HUGO S·Filed 1977·Granted Dec 5, 1978·16 cites·6 claims
- 1162US4830683AApparatus for forming variable strength materials through rapid deformation and methods for use thereinMRE CORP·Filed 1988·Granted May 16, 1989·14 cites·39 claims
- 1257US6742440B2Servo-controlled integral stop for use with a servo-controlled hydraulic pistonDYNAMIC SYSTEMS INT INC·Filed 2003·Granted Jun 1, 2004·2 cites·14 claims
- 1354US4721906AOne step RMS systemDUFFERS SCIENT INC·Filed 1985·Granted Jan 26, 1988·18 cites·20 claims
- 1452US4328661ACross flow rotary mower having an axial expansion sectionDUFFERS ASS·Filed 1980·Granted May 11, 1982·14 cites·8 claims
- 1548US4509000ABumpless feedback switching apparatus for use in a servo systemDUFFERS SCIENT INC·Filed 1983·Granted Apr 2, 1985·12 cites·8 claims
- 1644US4631697ASignal controlled waveform recorderDUFFERS SCIENT INC·Filed 1984·Granted Dec 23, 1986·8 cites·14 claims
- 1729USRE34843ESignal controlled waveform recorderDUFFERS SCIENT INC·Filed 1988·Granted Jan 31, 1995·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →