Assignee
MEISSNER MFG CO
US·4 granted patents·60 citations·filing 1980–1992
Top patents by PatentIndex Score
4 records- 0160US4487227ASpacing insert for concentric filter elementsMEISSNER MFG CO·Filed 1984·Granted Dec 11, 1984·18 cites·7 claims
- 0254US4317727AFluid filter cartridge and method of its constructionMEISSNER MFG CO·Filed 1980·Granted Mar 2, 1982·15 cites·12 claims
- 0349US4507200AFluid filter cartridge and method of its constructionMEISSNER MFG CO·Filed 1984·Granted Mar 26, 1985·12 cites·10 claims
- 0447USRE35900EFilter cartridge for swimming pools and spasMEISSNER MFG CO·Filed 1992·Granted Sep 22, 1998·15 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →