Inventor · disambiguated record
Michael J. Purvis
Also filed as: PURVIS MICHAEL · PURVIS MICHAEL J · PURVIS MICHAEL JAMES
13 granted patents·1 pending application·335 citations·filing 1975–2018
93Inventor score
Files withCONTROL DEVICES INC7CLEARPATH ROBOTICS INC1CONTROL DEVICES INCORPORATED1CONTROL DEVICES INCORPORTED1DYNA CONTROLS CORP1
Top patents by PatentIndex Score
14 records- 0186US6186162B1Leak detection and shut-off apparatusFiled 1999·Granted Feb 13, 2001·79 cites·10 claims
- 0283US4088147AAir chuckCONTROL DEVICES INCORPORTED·Filed 1976·Granted May 9, 1978·42 cites·1 claims
- 0379US5451031AQuick-connect-disconnect non-mar couplingDYNAQUIP CONTROLS CORP·Filed 1994·Granted Sep 19, 1995·52 cites·18 claims
- 0479US4120319AManifold assembly for compressed air storage tank or the likeCONTROL DEVICES INC·Filed 1977·Granted Oct 17, 1978·26 cites·5 claims
- 0575USD251011SCombined air compressor tank manifold and valveCONTROL DEVICES INCORPORATED·Filed 1976·Granted Feb 6, 1979·14 cites·1 claims
- 0672US10880412B1Systems and methods for communicating between a fleet of robots and a fleet managerCLEARPATH ROBOTICS INC·Filed 2018·Granted Dec 29, 2020·3 cites·18 claims
- 0768US4076211ABall valveCONTROL DEVICES INC·Filed 1975·Granted Feb 28, 1978·17 cites·6 claims
- 0866US4616677AManifold fitting for a compressed air tankCONTROL DEVICES INC·Filed 1985·Granted Oct 14, 1986·24 cites·5 claims
- 0965US4321940AUnloader/check valveCONTROL DEVICES INC·Filed 1981·Granted Mar 30, 1982·23 cites·9 claims
- 1054US5636877ASwivel connectionDYNA CONTROLS CORP·Filed 1995·Granted Jun 10, 1997·25 cites·13 claims
- 1147US4612962ASpring-loaded valveCONTROL DEVICES INC·Filed 1985·Granted Sep 23, 1986·13 cites·8 claims
- 1245US4768550AManifold fitting for a compressed air tankCONTROL DEVICES INC·Filed 1987·Granted Sep 6, 1988·11 cites·2 claims
- 1339US2011288695A1Control interface for unmanned vehiclesGARIEPY RYAN·Filed 2011·Application pending·0 cites
- 1434US4705076AManifold fitting for a compressed air tankCONTROL DEVICES INC·Filed 1986·Granted Nov 10, 1987·6 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Michael J. Purvis 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 →