Assignee
FILTER SPECIALISTS
US·17 granted patents·545 citations·filing 1975–2004
Top patents by PatentIndex Score
17 records- 0194US4133769ALiquid filter having self-retaining filter bagFILTER SPECIALISTS·Filed 1977·Granted Jan 9, 1979·66 cites·14 claims
- 0293US4204966ALiquid filter and filter elementFILTER SPECIALISTS·Filed 1979·Granted May 27, 1980·56 cites·7 claims
- 0385US6627074B2Filter element for swimming pool cleanerFILTER SPECIALISTS·Filed 2002·Granted Sep 30, 2003·58 cites·20 claims
- 0482US4285814AFilter bag clamp assemblyFILTER SPECIALISTS·Filed 1979·Granted Aug 25, 1981·35 cites·4 claims
- 0581US4022693ALiquid filter having multiple filtering elementsFILTER SPECIALISTS·Filed 1976·Granted May 10, 1977·35 cites·10 claims
- 0679US6572765B2Filtering system for swimming poolFILTER SPECIALISTS·Filed 2001·Granted Jun 3, 2003·40 cites·6 claims
- 0779US4669167AMethod of removing filter bagFILTER SPECIALISTS·Filed 1985·Granted Jun 2, 1987·46 cites·1 claims
- 0879US3959137AFilter having an interior liquid displacement means, apparatus and methodFILTER SPECIALISTS·Filed 1975·Granted May 25, 1976·38 cites·6 claims
- 0978US4259188AFluid filter housing and filter bag sealFILTER SPECIALISTS·Filed 1979·Granted Mar 31, 1981·31 cites·9 claims
- 1077US4282098AFilter top hingeFILTER SPECIALISTS·Filed 1980·Granted Aug 4, 1981·35 cites·3 claims
- 1173US4460468ALiquid filter with combined filtration bag and lid sealing gasketFILTER SPECIALISTS·Filed 1983·Granted Jul 17, 1984·30 cites·3 claims
- 1261US4610787AConvertible liquid filterFILTER SPECIALISTS·Filed 1984·Granted Sep 9, 1986·22 cites·7 claims
- 1359US6638425B2Magnetic filterFILTER SPECIALISTS·Filed 2001·Granted Oct 28, 2003·8 cites·20 claims
- 1456US5643451AFilter bag having a rim intermittently bonded to a porous portionFILTER SPECIALISTS·Filed 1996·Granted Jul 1, 1997·24 cites·12 claims
- 1554US4024065AFilter for liquid materialFILTER SPECIALISTS·Filed 1975·Granted May 17, 1977·13 cites·6 claims
- 1650US7857144B1Liquid filterFILTER SPECIALISTS·Filed 2004·Granted Dec 28, 2010·3 cites·5 claims
- 1737US4220542AFilter having an interior liquid displacement meansFILTER SPECIALISTS·Filed 1979·Granted Sep 2, 1980·5 cites·3 claims
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