Inventor
WITTER ROBERT M
US43 patents
⚠️ This page may combine multiple inventors who share the name “WITTER ROBERT M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WITTER ROBERT M
23 patentsUS7282074B1Oct 16, 2007
Auxiliary dust collection system
WITTER ROBERT M114 citations98
US8161597B2Apr 24, 2012
Shop vacuum cleaner with cyclonic separator
WITTER ROBERT M26 citations92
US7550021B2Jun 23, 2009
Portable cyclonic dust collection system
WITTER ROBERT M38 citations92
USD789634SJun 13, 2017
Vacuum assist scraper tool
WITTER ROBERT M29 citations91
US10603754B2Mar 31, 2020
Universal-fit vacuum assisted dust collection hood for routers
WITTER ROBERT M8 citations84
US9782048B2Oct 10, 2017
Vacuum assist scraper tool
WITTER ROBERT M18 citations84
US9399184B2Jul 26, 2016
Deflagration suppression screen for portable cyclonic dust collector/vacuum cleaner
WITTER ROBERT M9 citations84
US9125535B2Sep 8, 2015
Pulse filter cleaner for portable cyclonic dust collector/vacuum cleaner
WITTER ROBERT M10 citations84
USD690064SSep 17, 2013
Portable cyclonic vacuum cleaner
WITTER ROBERT M15 citations84
US8514090B2Aug 20, 2013
Dust level sensor arrangement for dust collection system
WITTER ROBERT M10 citations84
US8496719B2Jul 30, 2013
Cyclonic dust collector with flame arrester feature
WITTER ROBERT M9 citations84
US8491686B2Jul 23, 2013
Cyclonic dust collector with clamp-raised dust barrel
WITTER ROBERT M6 citations84
US8491685B2Jul 23, 2013
Cyclonic dust collector with variable speed drive and constant load current
WITTER ROBERT M11 citations84
US8393050B2Mar 12, 2013
Portable cyclonic dust collector/vacuum cleaner
WITTER ROBERT M19 citations84
USD668409SOct 2, 2012
Auxiliary cyclonic dust collector
WITTER ROBERT M7 citations84
USD638179SMay 17, 2011
Auxiliary cyclonic dust collector
WITTER ROBERT M9 citations84
US7937803B2May 10, 2011
Bag hold-down for dust collection system
WITTER ROBERT M9 citations84
USD632854SFeb 15, 2011
Auxiliary cyclonic dust collector container
WITTER ROBERT M11 citations84
USD632443SFeb 8, 2011
Auxiliary cyclonic dust collector container
WITTER ROBERT M7 citations84
US7824457B2Nov 2, 2010
Portable cyclonic dust collector
WITTER ROBERT M18 citations84
USD604464SNov 17, 2009
Portable cyclonic dust collector
WITTER ROBERT M14 citations84
US7399218B2Jul 15, 2008
Ride-on floor machine with dust collection system
WITTER ROBERT M10 citations84
US12303818B2May 20, 2025
Benchtop dust collector
WITTER ROBERT M0 citations61
ONEIDA AIR SYSTEMS INC
11 patentsUS6833016B2Dec 21, 2004
Dust collection system
ONEIDA AIR SYSTEMS INC89 citations98
US8377160B2Feb 19, 2013
Cyclonic dust collector with vee-shaped cyclone
ONEIDA AIR SYSTEMS INC17 citations92
USRE40048EFeb 12, 2008
Dust collection system
ONEIDA AIR SYSTEMS INC27 citations92
USD826496SAug 21, 2018
Vacuum assisted dust collection hood for routers
ONEIDA AIR SYSTEMS INC11 citations84
USD596358SJul 14, 2009
Shop vacuum cleaner with cyclonic separator
ONEIDA AIR SYSTEMS INC13 citations84
US11844488B2Dec 19, 2023
Dust collection system blast gate valve
ONEIDA AIR SYSTEMS INC3 citations72
USD1056378SDec 31, 2024
Dust separator part
ONEIDA AIR SYSTEMS INC0 citations62
USD1066840SMar 11, 2025
Bucket lid for a low profile dust collector
ONEIDA AIR SYSTEMS INC0 citations61
US11458485B2Oct 4, 2022
Dust collector with negative pressure bagging
ONEIDA AIR SYSTEMS INC1 citations61
USD1097399SOct 7, 2025
Dust collection bucket
ONEIDA AIR SYSTEMS INC0 citations55
US12400534B2Aug 26, 2025
Fire protection for small-shop dust collection systems
ONEIDA AIR SYSTEMS INC0 citations50
FITZSIMMONS JOHN J
8 patentsUSD908854SJan 26, 2021
Silencer sound filter for dust collector
FITZSIMMONS JOHN J13 citations85
USD927104SAug 3, 2021
Portable cyclonic dust collector
FITZSIMMONS JOHN J6 citations82
USD914308SMar 23, 2021
Upright cylindrical pre-separator for dust collector
FITZSIMMONS JOHN J6 citations82
USD933321SOct 12, 2021
Dust bucket lid for a dust cyclone
FITZSIMMONS JOHN J4 citations71
USD917806SApr 27, 2021
Wall-mounted cyclonic dust collector
FITZSIMMONS JOHN J2 citations71
US11421911B2Aug 23, 2022
Modular stacking sound filter
FITZSIMMONS JOHN J1 citations62
USD960341SAug 9, 2022
Bench-top dust collector
FITZSIMMONS JOHN J1 citations61
US11419467B2Aug 23, 2022
Bucket lid for auxiliary cyclone dust collector
FITZSIMMONS JOHN J0 citations50