Assignee
COLUMBUS IND INC
US·25 granted patents·4 pending applications·505 citations·filing 1984–2024
Top patents by PatentIndex Score
29 records- 0192US9993835B2Industrial coating application filter with pleated supportCOLUMBUS IND INC·Filed 2017·Granted Jun 12, 2018·10 cites·21 claims
- 0289US9320998B2Collapsible pleated filter and frameCOLUMBUS IND INC·Filed 2013·Granted Apr 26, 2016·14 cites·14 claims
- 0389US5158199ATemporary diaper storage containerCOLUMBUS IND INC·Filed 1991·Granted Oct 27, 1992·98 cites·9 claims
- 0488US9555358B2Industrial coating application filter with pleated supportCOLUMBUS IND INC·Filed 2014·Granted Jan 31, 2017·13 cites·10 claims
- 0587US11014113B2Industrial coating application filter with pleated supportCOLUMBUS IND INC·Filed 2020·Granted May 25, 2021·2 cites·25 claims
- 0687US10427077B2Collapsible pleated filter using laterally positioned retaining membersCOLUMBUS IND INC·Filed 2017·Granted Oct 1, 2019·4 cites·14 claims
- 0786US10596585B2Industrial coating application filter with pleated supportCOLUMBUS IND INC·Filed 2018·Granted Mar 24, 2020·3 cites·5 claims
- 0886US4504290AOdor filter mediaCOLUMBUS IND INC·Filed 1984·Granted Mar 12, 1985·72 cites·3 claims
- 0984US10124317B2Apparatus and method for avoiding fluid bypass in particulate filtersCOLUMBUS IND INC·Filed 2015·Granted Nov 13, 2018·3 cites·12 claims
- 1083US5678247AOdor-absorbing clothing articleCOLUMBUS IND INC·Filed 1996·Granted Oct 21, 1997·85 cites·5 claims
- 1183US4793837AGaseous filter constructionCOLUMBUS IND INC·Filed 1988·Granted Dec 27, 1988·44 cites·5 claims
- 1279US7951229B2Air filter formed from slit and expanded layers of electrostatically enhanced materialCOLUMBUS IND INC·Filed 2007·Granted May 31, 2011·8 cites·6 claims
- 1379US4737174AMulti-media filter frame constructionCOLUMBUS IND INC·Filed 1987·Granted Apr 12, 1988·57 cites·4 claims
- 1478US8343251B2Composite filter mediaCOLUMBUS IND INC·Filed 2008·Granted Jan 1, 2013·4 cites·29 claims
- 1576US9481004B2Paint booth filterCOLUMBUS IND INC·Filed 2014·Granted Nov 1, 2016·8 cites·7 claims
- 1671US4955995ARange hood filter padCOLUMBUS IND INC·Filed 1989·Granted Sep 11, 1990·34 cites·7 claims
- 1768US11819792B2Bidirectional airflow filterCOLUMBUS IND INC·Filed 2015·Granted Nov 21, 2023·1 cites·7 claims
- 1864US9199189B1Filter medium having ozone and odor removal propertiesCOLUMBUS IND INC·Filed 2013·Granted Dec 1, 2015·1 cites·26 claims
- 1963US2025083172A1Tapered Paint FilterCOLUMBUS IND INC·Filed 2024·Application pending·0 cites
- 2059US7309331B2Odor absorbent evaporative padCOLUMBUS IND INC·Filed 2005·Granted Dec 18, 2007·4 cites·6 claims
- 2159US2023072618A1Multi-layer, oil-resistant, electro-mechanical synthetic hepa mediaCOLUMBUS IND INC·Filed 2022·Application pending·0 cites
- 2257US8038128B2Evaporative humidifier pad made of rigidifying layer laminated to paper layer and method of constructingCOLUMBUS IND INC·Filed 2007·Granted Oct 18, 2011·0 cites·6 claims
- 2353US12233376B2Surface-modified carbon and sorbents for improved efficiency in removal of gaseous contaminantsCOLUMBUS IND INC·Filed 2020·Granted Feb 25, 2025·0 cites·11 claims
- 2452US11745206B2Filtering apparatus with at least one filter unitCOLUMBUS IND INC·Filed 2020·Granted Sep 5, 2023·0 cites·13 claims
- 2549US5585107ARemoving human scent from articles of clothingCOLUMBUS IND INC·Filed 1995·Granted Dec 17, 1996·34 cites·4 claims
- 2647US2022176308A1Air filtration structure to contain and support activated carbon within an airstreamCOLUMBUS IND INC·Filed 2021·Application pending·0 cites
- 2743US10213722B2Heat sealed recyclable filterCOLUMBUS IND INC·Filed 2015·Granted Feb 26, 2019·0 cites·7 claims
- 2841US2018117522A1Surface-Modified Carbon and Sorbents for Improved Efficiency in Removal of Gaseous ContaminantsCOLUMBUS IND INC·Filed 2017·Application pending·0 cites
- 2934US6110564AEvaporative humidifier padCOLUMBUS IND INC·Filed 1998·Granted Aug 29, 2000·6 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →