Assignee
WORLD CHEM KK
12 granted patents·220 citations·filing 1975–2021
Top patents by PatentIndex Score
12 records- 0190USD450327SPumpWORLD CHEM KK·Filed 2000·Granted Nov 13, 2001·59 cites·1 claims
- 0287US4024063AFloating-matter removing apparatusWORLD CHEM KK·Filed 1975·Granted May 17, 1977·79 cites·10 claims
- 0359US4655681ASeal-less pumpWORLD CHEM KK·Filed 1985·Granted Apr 7, 1987·24 cites·6 claims
- 0451US5154587AMagnet pumpWORLD CHEM KK·Filed 1990·Granted Oct 13, 1992·22 cites·10 claims
- 0547US7682129B2Filtration device combined with self-priming pumpWORLD CHEM KK·Filed 2007·Granted Mar 23, 2010·0 cites·9 claims
- 0647US6312228B1Recovery pump for recovering floating oilWORLD CHEM KK·Filed 2000·Granted Nov 6, 2001·4 cites·7 claims
- 0747US5509779ASelf-priming chemical pumpWORLD CHEM KK·Filed 1995·Granted Apr 23, 1996·16 cites·6 claims
- 0846US6887048B2Liquid pump and sealing mechanismWORLD CHEM KK·Filed 2003·Granted May 3, 2005·5 cites·16 claims
- 0944US11713765B2Magnetic pump and rotary body for the magnetic pumpWORLD CHEM KK·Filed 2021·Granted Aug 1, 2023·0 cites·6 claims
- 1042US9359229B2Device for recovering floating materials on the liquid surfaceWORLD CHEM KK·Filed 2014·Granted Jun 7, 2016·0 cites·5 claims
- 1142US5954955AOil-water recovering and separating apparatusWORLD CHEM KK·Filed 1997·Granted Sep 21, 1999·11 cites·11 claims
- 1231USD383992SOcean buoyWORLD CHEM KK·Filed 1995·Granted Sep 23, 1997·0 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →