Inventor · disambiguated record
Chrystal B. Gillilan
Also filed as: GILLILAN CHRYSTAL · GILLILAN CHRYSTAL B
6 granted patents·43 citations·filing 2007–2015
81Inventor score
Top patents by PatentIndex Score
6 records- 0189US9320998B2Collapsible pleated filter and frameCOLUMBUS IND INC·Filed 2013·Granted Apr 26, 2016·14 cites·14 claims
- 0286US8105425B2Air filter formed by slit and expanded layers of electrostatically enhanced materialPTAK THADDEUS J·Filed 2011·Granted Jan 31, 2012·10 cites·4 claims
- 0379US7951229B2Air filter formed from slit and expanded layers of electrostatically enhanced materialCOLUMBUS IND INC·Filed 2007·Granted May 31, 2011·8 cites·6 claims
- 0476US9943796B2Multi layer pleatable filter mediumPTAK THADDEUS J·Filed 2010·Granted Apr 17, 2018·6 cites·23 claims
- 0571US8641794B2Air filter and air filter systemGILLILAN CHRYSTAL B·Filed 2011·Granted Feb 4, 2014·4 cites·4 claims
- 0668US11819792B2Bidirectional airflow filterCOLUMBUS IND INC·Filed 2015·Granted Nov 21, 2023·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →