Inventor · disambiguated record
John R. Simpson
Also filed as: SIMPSON JOHN · SIMPSON JOHN J · SIMPSON JOHN R · SIMPSON JOHN RICHARD
6 granted patents·1 pending application·336 citations·filing 1974–2004
86Inventor score
Files withAUDIOLOGICAL ENGINEERING CORP1EL TROL INC1HOWMEDIA OSTEONICS CORP1NORTHERN ENG IND1RIVERDALE MILLS CORP1
Top patents by PatentIndex Score
7 records- 0192US5388992AMethod and apparatus for tactile transduction of acoustic signals from television receiversAUDIOLOGICAL ENGINEERING CORP·Filed 1991·Granted Feb 14, 1995·214 cites·23 claims
- 0269US4894573ARotary electrical machinesNORTHERN ENG IND·Filed 1988·Granted Jan 16, 1990·29 cites·15 claims
- 0368US7338499B1Hip arthroplasty balancing apparatus and methodHOWMEDIA OSTEONICS CORP·Filed 2004·Granted Mar 4, 2008·53 cites·29 claims
- 0460US3941178AApparatus and method for displaying the measurement of a tireEL TROL INC·Filed 1974·Granted Mar 2, 1976·20 cites·11 claims
- 0542US5642304AApparatus for high-speed solution of arbitrary mathematical expressions with logic code generator and programmable logic circuitFiled 1994·Granted Jun 24, 1997·16 cites·44 claims
- 0638US2005017977A1Method and apparatus for integrating virtual environments with functional simulations via HLA protocolFiled 2003·Application pending·0 cites
- 0724US5957088APoultry flooring systemRIVERDALE MILLS CORP·Filed 1998·Granted Sep 28, 1999·4 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when John R. Simpson files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →