Inventor · disambiguated record
Robert M. Witter
Also filed as: WITTER ROBERT · WITTER ROBERT M
44 granted patents·2 pending applications·675 citations·filing 1995–2023
98Inventor score
Top patents by PatentIndex Score
46 records- 0198US7282074B1Auxiliary dust collection systemWITTER ROBERT M·Filed 2006·Granted Oct 16, 2007·114 cites·20 claims
- 0296US10603754B2Universal-fit vacuum assisted dust collection hood for routersWITTER ROBERT M·Filed 2017·Granted Mar 31, 2020·8 cites·18 claims
- 0396US9782048B2Vacuum assist scraper toolWITTER ROBERT M·Filed 2016·Granted Oct 10, 2017·18 cites·14 claims
- 0496US8377160B2Cyclonic dust collector with vee-shaped cycloneONEIDA AIR SYSTEMS INC·Filed 2011·Granted Feb 19, 2013·17 cites·7 claims
- 0596US6833016B2Dust collection systemONEIDA AIR SYSTEMS INC·Filed 2003·Granted Dec 21, 2004·89 cites·9 claims
- 0694US11844488B2Dust collection system blast gate valveONEIDA AIR SYSTEMS INC·Filed 2022·Granted Dec 19, 2023·3 cites·16 claims
- 0794USRE40048EDust collection systemONEIDA AIR SYSTEMS INC·Filed 2006·Granted Feb 12, 2008·27 cites·15 claims
- 0892US8496719B2Cyclonic dust collector with flame arrester featureWITTER ROBERT M·Filed 2011·Granted Jul 30, 2013·9 cites·14 claims
- 0992US8491685B2Cyclonic dust collector with variable speed drive and constant load currentWITTER ROBERT M·Filed 2011·Granted Jul 23, 2013·11 cites·6 claims
- 1091US7550021B2Portable cyclonic dust collection systemWITTER ROBERT M·Filed 2006·Granted Jun 23, 2009·38 cites·24 claims
- 1189US9125535B2Pulse filter cleaner for portable cyclonic dust collector/vacuum cleanerWITTER ROBERT M·Filed 2013·Granted Sep 8, 2015·10 cites·9 claims
- 1289US8514090B2Dust level sensor arrangement for dust collection systemWITTER ROBERT M·Filed 2010·Granted Aug 20, 2013·10 cites·18 claims
- 1389US8393050B2Portable cyclonic dust collector/vacuum cleanerWITTER ROBERT M·Filed 2009·Granted Mar 12, 2013·19 cites·15 claims
- 1489US8161597B2Shop vacuum cleaner with cyclonic separatorWITTER ROBERT M·Filed 2008·Granted Apr 24, 2012·26 cites·10 claims
- 1589US7824457B2Portable cyclonic dust collectorWITTER ROBERT M·Filed 2009·Granted Nov 2, 2010·18 cites·16 claims
- 1688US9399184B2Deflagration suppression screen for portable cyclonic dust collector/vacuum cleanerWITTER ROBERT M·Filed 2013·Granted Jul 26, 2016·9 cites·12 claims
- 1787US8491686B2Cyclonic dust collector with clamp-raised dust barrelWITTER ROBERT M·Filed 2011·Granted Jul 23, 2013·6 cites·14 claims
- 1887US5746795AReplaceable, self-cleaning cartridge for a cyclonic air cleaning deviceFiled 1995·Granted May 5, 1998·64 cites·25 claims
- 1986US9370740B2Modular stacking filter systemHILL JEFFREY·Filed 2014·Granted Jun 21, 2016·10 cites·9 claims
- 2083USD789634SVacuum assist scraper toolWITTER ROBERT M·Filed 2015·Granted Jun 13, 2017·29 cites·1 claims
- 2183US7399218B2Ride-on floor machine with dust collection systemWITTER ROBERT M·Filed 2006·Granted Jul 15, 2008·10 cites·5 claims
- 2280US11458485B2Dust collector with negative pressure baggingONEIDA AIR SYSTEMS INC·Filed 2020·Granted Oct 4, 2022·1 cites·10 claims
- 2378US7937803B2Bag hold-down for dust collection systemWITTER ROBERT M·Filed 2005·Granted May 10, 2011·9 cites·21 claims
- 2474US11421911B2Modular stacking sound filterFITZSIMMONS JOHN J·Filed 2019·Granted Aug 23, 2022·1 cites·17 claims
- 2572USD908854SSilencer sound filter for dust collectorFITZSIMMONS JOHN J·Filed 2018·Granted Jan 26, 2021·13 cites·1 claims
- 2668USD826496SVacuum assisted dust collection hood for routersONEIDA AIR SYSTEMS INC·Filed 2017·Granted Aug 21, 2018·11 cites·1 claims
- 2768USD690064SPortable cyclonic vacuum cleanerWITTER ROBERT M·Filed 2012·Granted Sep 17, 2013·15 cites·1 claims
- 2867USD933321SDust bucket lid for a dust cycloneFITZSIMMONS JOHN J·Filed 2020·Granted Oct 12, 2021·4 cites·1 claims
- 2966USD604464SPortable cyclonic dust collectorWITTER ROBERT M·Filed 2008·Granted Nov 17, 2009·14 cites·1 claims
- 3065US12303818B2Benchtop dust collectorWITTER ROBERT M·Filed 2022·Granted May 20, 2025·0 cites·20 claims
- 3163USD596358SShop vacuum cleaner with cyclonic separatorONEIDA AIR SYSTEMS INC·Filed 2008·Granted Jul 14, 2009·13 cites·1 claims
- 3261USD638179SAuxiliary cyclonic dust collectorWITTER ROBERT M·Filed 2009·Granted May 17, 2011·9 cites·1 claims
- 3360USD632854SAuxiliary cyclonic dust collector containerWITTER ROBERT M·Filed 2010·Granted Feb 15, 2011·11 cites·1 claims
- 3458US12400534B2Fire protection for small-shop dust collection systemsONEIDA AIR SYSTEMS INC·Filed 2023·Granted Aug 26, 2025·0 cites·6 claims
- 3557US11419467B2Bucket lid for auxiliary cyclone dust collectorFITZSIMMONS JOHN J·Filed 2021·Granted Aug 23, 2022·0 cites·8 claims
- 3656USD914308SUpright cylindrical pre-separator for dust collectorFITZSIMMONS JOHN J·Filed 2019·Granted Mar 23, 2021·6 cites·1 claims
- 3755USD927104SPortable cyclonic dust collectorFITZSIMMONS JOHN J·Filed 2019·Granted Aug 3, 2021·6 cites·1 claims
- 3854USD668409SAuxiliary cyclonic dust collectorWITTER ROBERT M·Filed 2011·Granted Oct 2, 2012·7 cites·1 claims
- 3953US2024225391A1Low Profile Bucket Lid and Dust CycloneONEIDA AIR SYSTEMS INC·Filed 2023·Application pending·0 cites
- 4050USD632443SAuxiliary cyclonic dust collector containerWITTER ROBERT M·Filed 2010·Granted Feb 8, 2011·7 cites·1 claims
- 4148USD960341SBench-top dust collectorFITZSIMMONS JOHN J·Filed 2021·Granted Aug 9, 2022·1 cites·1 claims
- 4246US2019134649A1Low-Profile, High-Pressure Dust Separator and CollectorWITTER ROBERT M·Filed 2018·Application pending·0 cites
- 4339USD917806SWall-mounted cyclonic dust collectorFITZSIMMONS JOHN J·Filed 2019·Granted Apr 27, 2021·2 cites·1 claims
- 4436USD1056378SDust separator partONEIDA AIR SYSTEMS INC·Filed 2022·Granted Dec 31, 2024·0 cites·1 claims
- 4532USD1097399SDust collection bucketONEIDA AIR SYSTEMS INC·Filed 2023·Granted Oct 7, 2025·0 cites·1 claims
- 4632USD1066840SBucket lid for a low profile dust collectorONEIDA AIR SYSTEMS INC·Filed 2023·Granted Mar 11, 2025·0 cites·1 claims
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