Inventor · disambiguated record
Rick L. Chapman
Also filed as: CHAPMAN RICK L
11 granted patents·3 pending applications·461 citations·filing 1993–2019
92Inventor score
Top patents by PatentIndex Score
14 records- 0195US5419953AMultilayer composite air filtration mediaFiled 1993·Granted May 30, 1995·179 cites·13 claims
- 0294US10571137B2Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agentsDELSTAR TECH INC·Filed 2017·Granted Feb 25, 2020·3 cites·13 claims
- 0390US9618220B2Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agentsCHAPMAN RICK L·Filed 2014·Granted Apr 11, 2017·6 cites·6 claims
- 0490US6514324B1High efficiency active electrostatic air filter and method of manufactureFiled 2001·Granted Feb 4, 2003·79 cites·16 claims
- 0589US9074301B2Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agentsCHAPMAN RICK L·Filed 2011·Granted Jul 7, 2015·8 cites·2 claims
- 0683US6322615B1High efficiency permanent air filter and method of manufactureFiled 1999·Granted Nov 27, 2001·56 cites·20 claims
- 0783US6056809AHigh efficiency permanent air filter and method of manufactureCHAPMAN RICK L·Filed 1997·Granted May 2, 2000·56 cites·21 claims
- 0881US5900305ALaminated high efficiency filterFiled 1997·Granted May 4, 1999·48 cites·14 claims
- 0970US9909767B2Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agentsCHAPMAN RICK L·Filed 2014·Granted Mar 6, 2018·0 cites·12 claims
- 1067US2015226441A1Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agentsDELSTAR TECHNOLOGIES INC·Filed 2015·Application pending·0 cites
- 1160US5837022AHigh efficiency air filter systemFiled 1997·Granted Nov 17, 1998·26 cites·16 claims
- 1255US11585018B2Fibrous webs having isotropic structure and apparatus and method for making sameDELSTAR TECH INC·Filed 2019·Granted Feb 21, 2023·0 cites·15 claims
- 1344US2013025456A1Air cleaning filter mediaCHAPMAN RICK L·Filed 2012·Application pending·0 cites
- 1437US2001039879A1Charged filter media containing charge control agentsFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →