Inventor · disambiguated record
Christopher M. Knowlton
Also filed as: KNOWLTON CHRISTOPHER · KNOWLTON CHRISTOPHER M
30 granted patents·4 pending applications·1,046 citations·filing 1977–2023
98Inventor score
Top patents by PatentIndex Score
34 records- 0198US5611108AFloor cleaning apparatus with slidable flapWINDSOR IND INC·Filed 1995·Granted Mar 18, 1997·194 cites·16 claims
- 0297US5742975AArticulated floor scrubberWINDSOR IND INC·Filed 1996·Granted Apr 28, 1998·128 cites·76 claims
- 0389US5802665AFloor cleaning apparatus with two broomsWIDSOR IND INC·Filed 1995·Granted Sep 8, 1998·105 cites·30 claims
- 0488US9649002B1High dump floor scrubber sweeperMINUTEMAN INT INC·Filed 2016·Granted May 16, 2017·9 cites·20 claims
- 0587US5485653AFloor cleaning apparatusWINDSOR IND INC·Filed 1994·Granted Jan 23, 1996·45 cites·50 claims
- 0687US5265300AFloor scrubberAAR CORP·Filed 1992·Granted Nov 30, 1993·62 cites·28 claims
- 0785US4328014ASweeper hopper with filter assemblySCOTT & FETZER CO·Filed 1981·Granted May 4, 1982·51 cites·14 claims
- 0882US5467500ASteering mechanism for a cleaning vehicleAAR CORP·Filed 1993·Granted Nov 21, 1995·53 cites·20 claims
- 0980US9924844B1Floor scrubber dry sweep apparatusMINUTEMAN INT INC·Filed 2016·Granted Mar 27, 2018·8 cites·22 claims
- 1080US6357070B1Multi-function, battery-powered, rider cleaning machineWINDSOR IND INC·Filed 2000·Granted Mar 19, 2002·52 cites·26 claims
- 1179US4173052ARiding sweeperSCOTT & FETZER CO·Filed 1977·Granted Nov 6, 1979·37 cites·6 claims
- 1277US4219901ARiding sweeperSCOTT & FETZER CO·Filed 1978·Granted Sep 2, 1980·37 cites·7 claims
- 1373USD382383SFloor scrubberWINDSOR IND INC·Filed 1994·Granted Aug 12, 1997·15 cites·1 claims
- 1471US5555596AFloor cleaning apparatusWINDSOR IND INC·Filed 1995·Granted Sep 17, 1996·26 cites·20 claims
- 1570USD376227SFloor sweeperWINDSOR IND INC·Filed 1994·Granted Dec 3, 1996·13 cites·1 claims
- 1668USD329311SSweeper vehicleAAR CORP·Filed 1989·Granted Sep 8, 1992·11 cites·1 claims
- 1767US5628086AFloor cleaning apparatus with squeegee mounting systemWINDSOR IND INC·Filed 1995·Granted May 13, 1997·22 cites·22 claims
- 1865USD913612SDisc scrub brush driverMINUTEMAN INT INC·Filed 2018·Granted Mar 16, 2021·9 cites·1 claims
- 1963US5608947AFloor cleaning apparatus with pre-filterWINDSOR IND INC·Filed 1995·Granted Mar 11, 1997·19 cites·25 claims
- 2059US5881417AFloor cleaning apparatus with contouring broomWINDSOR IND INC·Filed 1995·Granted Mar 16, 1999·27 cites·13 claims
- 2159USD291932SMachine for floor sweeping and scrubbingAAR BROOKS & PERKINS CORP·Filed 1984·Granted Sep 15, 1987·8 cites·1 claims
- 2258US6073304ASqueegee adjustment method and apparatusWINDSOR IND INC·Filed 1998·Granted Jun 13, 2000·24 cites·7 claims
- 2358US5027464AContainer dumping systemAAR CORP·Filed 1990·Granted Jul 2, 1991·25 cites·12 claims
- 2455US5630246AFloor cleaning apparatus with flap having wear indicatorWINDSOR IND INC·Filed 1995·Granted May 20, 1997·14 cites·14 claims
- 2554USD391697SArticulated floor cleanerWINDSOR IND INC·Filed 1996·Granted Mar 3, 1998·8 cites·1 claims
- 2653US5137108AVehicle engine mounting systemAAR CORP·Filed 1989·Granted Aug 11, 1992·11 cites·21 claims
- 2750US2023321489A1System and techniques for providing continuous auditory feedback for performance-based activityUNIV RUSH MEDICAL CENTER·Filed 2023·Application pending·0 cites
- 2848USD880266SPower brush/broom driver hub assemblyMINUTEMAN INT INC·Filed 2017·Granted Apr 7, 2020·4 cites·1 claims
- 2948US2021137340A1Floor scrubber cleaning sytem using a heat exchanger and pressure valve for controlling dispensing fluid volume and temperatureMINUTEMAN INT INC·Filed 2021·Application pending·0 cites
- 3048US2005121057A1System for Disinfecting Shopping CartsREDFIELD ENGINEERING COMPANY L·Filed 2003·Application pending·0 cites
- 3147US2020129033A1Floor scrubber cleaning system for heating a cleaning solutionMINUTEMAN INT INC·Filed 2018·Application pending·0 cites
- 3246US4363151ARiding sweeper with high dump mechanismSCOTT & FETZER CO·Filed 1981·Granted Dec 14, 1982·13 cites·10 claims
- 3344US4317246ASurface cleaning machineSCOTT & FETZER CO·Filed 1980·Granted Mar 2, 1982·10 cites·20 claims
- 3435US5346034AVehicle engine mounting systemAAR CORP·Filed 1992·Granted Sep 13, 1994·6 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →