Assignee
CLARKE GRAVELY CORP
30 granted patents·844 citations·filing 1973–1979
Top patents by PatentIndex Score
30 records- 0191US3940826APortable surface cleanerCLARKE GRAVELY CORP·Filed 1973·Granted Mar 2, 1976·97 cites·24 claims
- 0289US4192525ASteering sulky for two-wheel tractorsCLARKE GRAVELY CORP·Filed 1978·Granted Mar 11, 1980·40 cites·8 claims
- 0388US4293971AFloor treating machine with squeegeeCLARKE GRAVELY CORP·Filed 1979·Granted Oct 13, 1981·52 cites·30 claims
- 0488US4171208AVacuum cleaner including diverter valveCLARKE GRAVELY CORP·Filed 1977·Granted Oct 16, 1979·53 cites·20 claims
- 0587US4071920ASweeperCLARKE GRAVELY CORP·Filed 1976·Granted Feb 7, 1978·47 cites·17 claims
- 0687US3939527APortable surface cleanerCLARKE GRAVELY CORP·Filed 1973·Granted Feb 24, 1976·80 cites·8 claims
- 0786USD253472SVacuum cleanerCLARKE GRAVELY CORP·Filed 1977·Granted Nov 20, 1979·19 cites·1 claims
- 0885US4222145AVacuum cleaner carriage and tank assemblyCLARKE GRAVELY CORP·Filed 1977·Granted Sep 16, 1980·54 cites·20 claims
- 0985US4114229ASurface cleaning apparatusCLARKE GRAVELY CORP·Filed 1973·Granted Sep 19, 1978·59 cites·12 claims
- 1081USD258963SCarpet extractor solution and recovery apparatusCLARKE GRAVELY CORP·Filed 1979·Granted Apr 21, 1981·15 cites·1 claims
- 1179US4268935ACarpet cleaning machineCLARKE GRAVELY CORP·Filed 1979·Granted May 26, 1981·39 cites·20 claims
- 1279US4240569ACarpet cleaning powder dispenserCLARKE GRAVELY CORP·Filed 1978·Granted Dec 23, 1980·28 cites·21 claims
- 1374US4236269AVertical axis brushCLARKE GRAVELY CORP·Filed 1979·Granted Dec 2, 1980·33 cites·25 claims
- 1472US4195969AVacuum cleanerCLARKE GRAVELY CORP·Filed 1978·Granted Apr 1, 1980·35 cites·29 claims
- 1571US4108268AActuator for self-propelled sweeperCLARKE GRAVELY CORP·Filed 1977·Granted Aug 22, 1978·23 cites·18 claims
- 1669USD249692SPush sweeperCLARKE GRAVELY CORP·Filed 1976·Granted Sep 26, 1978·9 cites·1 claims
- 1765US3939518AFloor treatment machineCLARKE GRAVELY CORP·Filed 1973·Granted Feb 24, 1976·29 cites·11 claims
- 1864US3977039AAir blast sweeper with dust control systemCLARKE GRAVELY CORP·Filed 1975·Granted Aug 31, 1976·20 cites·16 claims
- 1962USD246106SScrubberCLARKE GRAVELY CORP·Filed 1975·Granted Oct 18, 1977·8 cites·1 claims
- 2058US4218798AFloor treating machineCLARKE GRAVELY CORP·Filed 1979·Granted Aug 26, 1980·18 cites·30 claims
- 2157US4237571AFloor polisher with gear driveCLARKE GRAVELY CORP·Filed 1979·Granted Dec 9, 1980·18 cites·25 claims
- 2256US4251896AFloor machine with gimballed brush driveCLARKE GRAVELY CORP·Filed 1979·Granted Feb 24, 1981·17 cites·16 claims
- 2355USD255356SPowered sweeperCLARKE GRAVELY CORP·Filed 1977·Granted Jun 10, 1980·5 cites·1 claims
- 2451USD253471SCarpet cleanerCLARKE GRAVELY CORP·Filed 1977·Granted Nov 20, 1979·4 cites·1 claims
- 2547USD259566SCarpet extractorCLARKE GRAVELY CORP·Filed 1979·Granted Jun 16, 1981·3 cites·1 claims
- 2646US3938217ASurface cleaning pickup headCLARKE GRAVELY CORP·Filed 1973·Granted Feb 17, 1976·12 cites·17 claims
- 2744US4214337AFloor polisherCLARKE GRAVELY CORP·Filed 1979·Granted Jul 29, 1980·12 cites·27 claims
- 2838US4156339ALawn mower bagCLARKE GRAVELY CORP·Filed 1977·Granted May 29, 1979·10 cites·17 claims
- 2937US4034434ASweeper dust sealCLARKE GRAVELY CORP·Filed 1976·Granted Jul 12, 1977·5 cites·5 claims
- 3027US4088148AFloor scrubber solution valveCLARKE GRAVELY CORP·Filed 1976·Granted May 9, 1978·0 cites·25 claims
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