Inventor · disambiguated record
Meindert Kleefstra
Also filed as: KLEEFSTRA MEINDERT · KLEEFSTRA MEINDERT J
12 granted patents·1 pending application·259 citations·filing 1983–2015
91Inventor score
Top patents by PatentIndex Score
13 records- 0188US6121783AMethod and apparatus for establishing electrical contact between a wafer and a chuckFiled 1997·Granted Sep 19, 2000·103 cites·14 claims
- 0287US6479979B1Opto-electric device for measuring the root-mean-square value of an alternating current voltageSRICO INC·Filed 2000·Granted Nov 12, 2002·35 cites·9 claims
- 0385US6091257AVacuum activated backside contactFiled 1998·Granted Jul 18, 2000·63 cites·3 claims
- 0467US7317185B2Tamper resistant radon detectorAIRADVICE INC·Filed 2006·Granted Jan 8, 2008·5 cites·23 claims
- 0565US6970799B2Method and apparatus for particle sizingAIRADVICE INC·Filed 2003·Granted Nov 29, 2005·6 cites·30 claims
- 0664US6724179B2Opto-electric device for measuring the root-mean-square value of an alternating current voltageSRICO INC·Filed 2002·Granted Apr 20, 2004·10 cites·16 claims
- 0762US7499821B2Sensor drift characteristic testingAIRADVICE INC·Filed 2006·Granted Mar 3, 2009·3 cites·10 claims
- 0861US7016791B2Particle sizing refinement systemAIRADVICE INC·Filed 2003·Granted Mar 21, 2006·14 cites·7 claims
- 0959US7532986B2Particle sizing refinement systemAIRADVICE INC·Filed 2005·Granted May 12, 2009·1 cites·11 claims
- 1046US5220276ACrest factor measurement deviceKEITHLEY CORP·Filed 1991·Granted Jun 15, 1993·15 cites·3 claims
- 1138US2016116181A1Indoor air quality sense and control systemAIRADVICE FOR HOMES INC·Filed 2015·Application pending·0 cites
- 1232US4546488AX-Ray analysis apparatus with pulse amplitude shift correctionPHILIPS CORP·Filed 1983·Granted Oct 8, 1985·3 cites·4 claims
- 1327US5103389AFrequency range of analog converter by means of external rectifierKEITHLEY INSTRUMENTS·Filed 1991·Granted Apr 7, 1992·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →