Assignee
PHOENIX CONTROLS CORP
US·14 granted patents·1,097 citations·filing 1985–2000
Top patents by PatentIndex Score
14 records- 0198US4706553AFume hood controllerPHOENIX CONTROLS CORP·Filed 1985·Granted Nov 17, 1987·139 cites·26 claims
- 0295US5240455AMethod and apparatus for controlling a fume hoodPHOENIX CONTROLS CORP·Filed 1991·Granted Aug 31, 1993·99 cites·30 claims
- 0394US6125710ANetworked air measurement systemPHOENIX CONTROLS CORP·Filed 1997·Granted Oct 3, 2000·131 cites·54 claims
- 0492US4773311AMake up air controller for use with fume hood systemsPHOENIX CONTROLS CORP·Filed 1986·Granted Sep 27, 1988·78 cites·1 claims
- 0591US6609967B2Methods and apparatus for recirculating air in a controlled ventilated environmentPHOENIX CONTROLS CORP·Filed 2000·Granted Aug 26, 2003·62 cites·100 claims
- 0689US6137403ASash sensor and method of sensing a sash using an array of multiplexed elementsPHOENIX CONTROLS CORP·Filed 1998·Granted Oct 24, 2000·78 cites·50 claims
- 0789US5385505APressure maintenance system for substantially sealed spacePHOENIX CONTROLS CORP·Filed 1993·Granted Jan 31, 1995·85 cites·20 claims
- 0889US4893551AFume hood sash sensing apparatusPHOENIX CONTROLS CORP·Filed 1988·Granted Jan 16, 1990·60 cites·38 claims
- 0988US5545086AAir flow control for pressurized room facilityPHOENIX CONTROLS CORP·Filed 1994·Granted Aug 13, 1996·87 cites·18 claims
- 1081US5831848ADistributed environmental process control systemPHOENIX CONTROLS CORP·Filed 1995·Granted Nov 3, 1998·147 cites·30 claims
- 1172US5406073ASystem for detecting a movable entity within a selected spacePHOENIX CONTROLS CORP·Filed 1993·Granted Apr 11, 1995·49 cites·37 claims
- 1271US5304093AMethod and apparatus for controlling a fluid flow valvePHOENIX CONTROLS CORP·Filed 1992·Granted Apr 19, 1994·34 cites·30 claims
- 1363US5435779APrecision gas flow control by use of coarse and fine control elementsPHOENIX CONTROLS CORP·Filed 1993·Granted Jul 25, 1995·31 cites·17 claims
- 1450US5251665AMechanism for operating multiple air flow control valvesPHOENIX CONTROLS CORP·Filed 1992·Granted Oct 12, 1993·17 cites·11 claims
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