Assignee
PURAFIL INC
US·16 granted patents·5 pending applications·391 citations·filing 1987–2022
Top patents by PatentIndex Score
21 records- 0192US4855276ASolid filtration medium incorporating alumina and carbonPURAFIL INC·Filed 1987·Granted Aug 8, 1989·111 cites·15 claims
- 0286US5208162AMethod and apparatus for monitoring corrosionPURAFIL INC·Filed 1991·Granted May 4, 1993·96 cites·21 claims
- 0384US5942323AFiber filter and methods of use thereofPURAFIL INC·Filed 1995·Granted Aug 24, 1999·59 cites·18 claims
- 0483US9108142B2High capacity solid filtration mediaPURAFIL INC·Filed 2013·Granted Aug 18, 2015·4 cites·15 claims
- 0575US6004522ASolid filtration media incorporating elevated levels of permanganate and waterPURAFIL INC·Filed 1997·Granted Dec 21, 1999·40 cites·12 claims
- 0674US10857518B2Dry-scrubbing media compositions and methods of production and usePURAFIL INC·Filed 2015·Granted Dec 8, 2020·1 cites·6 claims
- 0774US9370763B2High capacity solid filtration mediaPURAFIL INC·Filed 2015·Granted Jun 21, 2016·1 cites·14 claims
- 0871US5733350AContainer for solid filtration media and filtration system utilizing samePURAFIL INC·Filed 1996·Granted Mar 31, 1998·59 cites·6 claims
- 0967US10151683B2Corrosion sensor using electrical continuityPURAFIL INC·Filed 2015·Granted Dec 11, 2018·1 cites·15 claims
- 1065US12594522B2Solid filtration medium incorporating polyacrylamide powder and carbonPURAFIL INC·Filed 2022·Granted Apr 7, 2026·0 cites·20 claims
- 1165US2022362696A1Antimicrobial filter mediaPURAFIL INC·Filed 2022·Application pending·0 cites
- 1263US8343401B2Filtration media having recycled waste materialsPURAFIL INC·Filed 2011·Granted Jan 1, 2013·1 cites·20 claims
- 1361US12357935B2Filter module with radio-frequency identification tag for tuning a filtration systemPURAFIL INC·Filed 2022·Granted Jul 15, 2025·0 cites·22 claims
- 1458US11040307B2Method for removing contaminant from a fluid streamPURAFIL INC·Filed 2017·Granted Jun 22, 2021·0 cites·17 claims
- 1553US6265024B1Fiber filter and methods of use thereofPURAFIL INC·Filed 1999·Granted Jul 24, 2001·13 cites·7 claims
- 1651US7862644B2Dry scrubber and method of converting a wet scrubber to a dry scrubberPURAFIL INC·Filed 2007·Granted Jan 4, 2011·3 cites·8 claims
- 1749US2021101101A1Method for reducing corrosion in machineryPURAFIL INC·Filed 2019·Application pending·0 cites
- 1848US2022347621A1Systems and methods for removing odor from a fluid streamPURAFIL INC·Filed 2020·Application pending·0 cites
- 1948US2016041085A1Corrosion monitoring apparatus and methodsPURAFIL INC·Filed 2014·Application pending·0 cites
- 2046US2020188835A1Method For Removing Gaseous Contaminants From A Fluid StreamPURAFIL INC·Filed 2018·Application pending·0 cites
- 2145US7264644B2Methods and apparatuses for mounting a filtration housing for solid filtration mediaPURAFIL INC·Filed 2004·Granted Sep 4, 2007·2 cites·22 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →