Assignee
VERIFLO CORP
US·17 granted patents·457 citations·filing 1974–2000
Top patents by PatentIndex Score
17 records- 0192US5762086AApparatus for delivering process gas for making semiconductors and method of using sameVERIFLO CORP·Filed 1995·Granted Jun 9, 1998·90 cites·23 claims
- 0283USD439311SValveVERIFLO CORP·Filed 1999·Granted Mar 20, 2001·22 cites·1 claims
- 0381US5039349AMethod and apparatus for cleaning surfaces to absolute or near-absolute cleanlinessVERIFLO CORP·Filed 1990·Granted Aug 13, 1991·119 cites·38 claims
- 0474US5732736APressure regulator with lower outlet pressure dropVERIFLO CORP·Filed 1996·Granted Mar 31, 1998·36 cites·7 claims
- 0574US4257450APressure-reducing regulator valve for high-pressure gasesVERIFLO CORP·Filed 1979·Granted Mar 24, 1981·25 cites·10 claims
- 0673US4702277ACylinder valve-regulatorVERIFLO CORP·Filed 1986·Granted Oct 27, 1987·30 cites·29 claims
- 0772USD421092SValveVERIFLO CORP·Filed 1998·Granted Feb 22, 2000·16 cites·1 claims
- 0869US6003535AMicro control valve and apparatus and method for making semiconductors with high purity process gasVERIFLO CORP·Filed 1996·Granted Dec 21, 1999·28 cites·22 claims
- 0966US5230359ASupply pressure compensated fluid pressure regulator and methodVERIFLO CORP·Filed 1992·Granted Jul 27, 1993·25 cites·19 claims
- 1064US5787925APneumatically servoed gas pressure regulatorVERIFLO CORP·Filed 1996·Granted Aug 4, 1998·23 cites·16 claims
- 1151US5458001AGas pressure regulator, diaphragm assembly therefor and method of making sameVERIFLO CORP·Filed 1993·Granted Oct 17, 1995·17 cites·9 claims
- 1243US3973579AApparatus for controlling the ratio of flow of two gasesVERIFLO CORP·Filed 1974·Granted Aug 10, 1976·5 cites·5 claims
- 1341US4471803AFlow limit shutoff valveVERIFLO CORP·Filed 1982·Granted Sep 18, 1984·7 cites·9 claims
- 1433US4807849AFluid flow control device and compression member thereforVERIFLO CORP·Filed 1987·Granted Feb 28, 1989·5 cites·21 claims
- 1531US6314635B1Integrated crimp bias apparatus and methodVERIFLO CORP·Filed 2000·Granted Nov 13, 2001·0 cites·2 claims
- 1625US6026835AHigh Cv bulk process valve, control system and methodVERIFLO CORP·Filed 1998·Granted Feb 22, 2000·5 cites·23 claims
- 1722US6044547AIntegrated crimp bias apparatusVERIFLO CORP·Filed 1998·Granted Apr 4, 2000·4 cites·22 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →