Assignee
CHEMKO IND
US·5 granted patents·310 citations·filing 1975–1979
Technology mixA47L5
Top patents by PatentIndex Score
5 records- 0194US4019218ACarpet soil extractorCHEMKO IND·Filed 1976·Granted Apr 26, 1977·90 cites·11 claims
- 0291US4216563ACombined dry and wet carpet cleanerCHEMKO IND·Filed 1979·Granted Aug 12, 1980·72 cites·12 claims
- 0390US4156952ACarpet soil extractor having a powered brushCHEMKO IND·Filed 1977·Granted Jun 5, 1979·74 cites·29 claims
- 0482US3959844ACarpet soil extractorCHEMKO IND·Filed 1975·Granted Jun 1, 1976·48 cites·6 claims
- 0559US4136420ACarpet soil extracting wand having a powered brushCHEMKO IND·Filed 1977·Granted Jan 30, 1979·26 cites·27 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →