Assignee
ION SYSTEMS INC
33 granted patents·1,598 citations·filing 1980–2008
Top patents by PatentIndex Score
33 records- 0198US6118645ASelf-balancing bipolar air ionizerION SYSTEMS INC·Filed 1995·Granted Sep 12, 2000·108 cites·3 claims
- 0295US5930105AMethod and apparatus for air ionizationION SYSTEMS INC·Filed 1997·Granted Jul 27, 1999·84 cites·43 claims
- 0395US5055963ASelf-balancing bipolar air ionizerION SYSTEMS INC·Filed 1990·Granted Oct 8, 1991·149 cites·16 claims
- 0494US6850403B1Air ionizer and methodION SYSTEMS INC·Filed 2002·Granted Feb 1, 2005·142 cites·15 claims
- 0594US6807044B1Corona discharge apparatus and method of manufactureION SYSTEMS INC·Filed 2003·Granted Oct 19, 2004·53 cites·19 claims
- 0693US8009405B2Low maintenance AC gas flow driven static neutralizer and methodION SYSTEMS INC·Filed 2008·Granted Aug 30, 2011·24 cites·29 claims
- 0793US4542434AMethod and apparatus for sequenced bipolar air ionizationION SYSTEMS INC·Filed 1984·Granted Sep 17, 1985·85 cites·16 claims
- 0892US4901194AMethod and apparatus for regulating air ionizationION SYSTEMS INC·Filed 1988·Granted Feb 13, 1990·92 cites·18 claims
- 0991US5447763ASilicon ion emitter electrodesION SYSTEMS INC·Filed 1994·Granted Sep 5, 1995·54 cites·5 claims
- 1090US4951172AMethod and apparatus for regulating air ionizationION SYSTEMS INC·Filed 1988·Granted Aug 21, 1990·74 cites·18 claims
- 1190US4809127ASelf-regulating air ionizing apparatusION SYSTEMS INC·Filed 1987·Granted Feb 28, 1989·111 cites·18 claims
- 1287US6259591B1Apparatus and method for monitoring of air ionizationION SYSTEMS INC·Filed 2000·Granted Jul 10, 2001·38 cites·19 claims
- 1386US7057130B2Ion generation method and apparatusION SYSTEMS INC·Filed 2004·Granted Jun 6, 2006·21 cites·23 claims
- 1484US6674630B1Simultaneous neutralization and monitoring of charge on moving materialION SYSTEMS INC·Filed 2001·Granted Jan 6, 2004·17 cites·30 claims
- 1583US6563110B1In-line gas ionizer and methodION SYSTEMS INC·Filed 2000·Granted May 13, 2003·38 cites·29 claims
- 1683US6330146B1Piezoelectric/electrostrictive device and method of manufacturing sameION SYSTEMS INC·Filed 2000·Granted Dec 11, 2001·39 cites·44 claims
- 1782US6389437B2System for converting scrolling display to non-scrolling columnar displayION SYSTEMS INC·Filed 1998·Granted May 14, 2002·106 cites·77 claims
- 1881US4827371AMethod and apparatus for ionizing gas with point of use ion flow deliveryION SYSTEMS INC·Filed 1988·Granted May 2, 1989·43 cites·29 claims
- 1980US6088211ASafety circuitry for ion generatorION SYSTEMS INC·Filed 1998·Granted Jul 11, 2000·52 cites·4 claims
- 2080US5768087AMethod and apparatus for automatically cleaning ionizing electrodesION SYSTEMS INC·Filed 1996·Granted Jun 16, 1998·43 cites·21 claims
- 2179US7212393B2Air ionization module and methodION SYSTEMS INC·Filed 2004·Granted May 1, 2007·17 cites·21 claims
- 2276US6781205B1Electrostatic charge measurement on semiconductor wafersION SYSTEMS INC·Filed 2002·Granted Aug 24, 2004·24 cites·16 claims
- 2372US6506232B2Air ionization apparatus and method for efficient generation and cleaningION SYSTEMS INC·Filed 2001·Granted Jan 14, 2003·18 cites·6 claims
- 2471US6719142B1Apparatus and method for measuring static charge on wafers, disks, substrates, masks, and flat panel displaysION SYSTEMS INC·Filed 2002·Granted Apr 13, 2004·15 cites·29 claims
- 2568US6002573ASelf-balancing shielded bipolar ionizerION SYSTEMS INC·Filed 1998·Granted Dec 14, 1999·33 cites·8 claims
- 2667USD275317SCombined air ionizer and cleanerION SYSTEMS INC·Filed 1982·Granted Aug 28, 1984·10 cites·1 claims
- 2765US6130815AApparatus and method for monitoring of air ionizationION SYSTEMS INC·Filed 1999·Granted Oct 10, 2000·25 cites·19 claims
- 2865US5650203ASilicon ion emitter electrodesION SYSTEMS INC·Filed 1995·Granted Jul 22, 1997·24 cites·10 claims
- 2962USD272086SCombined air ionizer and cleanerION SYSTEMS INC·Filed 1981·Granted Jan 3, 1984·11 cites·1 claims
- 3061USD265924SAir ionizerION SYSTEMS INC·Filed 1980·Granted Aug 24, 1982·10 cites·1 claims
- 3159US4967608ATest chamber for particle emittersION SYSTEMS INC·Filed 1989·Granted Nov 6, 1990·20 cites·15 claims
- 3247US6515458B1Pulse oscillator and voltage level converterION SYSTEMS INC·Filed 2001·Granted Feb 4, 2003·6 cites·20 claims
- 3343US5539631AConverter circuits using a silicon controlled rectifierION SYSTEMS INC·Filed 1994·Granted Jul 23, 1996·12 cites·4 claims
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