Inventor

STEPHENS PAUL D

US71 patents

⚠️ This page may combine multiple inventors who share the name “STEPHENS PAUL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROYAL APPLIANCE MFG

47 patents

US7146681B2Dec 12, 2006

Upright vacuum cleaner with cyclonic airflow

ROYAL APPLIANCE MFG83 citations99

US7131165B2Nov 7, 2006

Upright vacuum cleaner with cyclonic airflow

ROYAL APPLIANCE MFG81 citations99

US6848146B2Feb 1, 2005

Upright vacuum cleaner with cyclonic airflow

ROYAL APPLIANCE MFG151 citations99

US6712868B2Mar 30, 2004

Bagless canister vacuum cleaner

ROYAL APPLIANCE MFG176 citations99

US6463622B2Oct 15, 2002

Upright vacuum cleaner with cyclonic airflow

ROYAL APPLIANCE MFG120 citations99

US6341404B1Jan 29, 2002

Upright vacuum cleaner with cyclonic airflow pathway

ROYAL APPLIANCE MFG191 citations99

US6260234B1Jul 17, 2001

Upright vacuum cleaner with cyclonic airflow

ROYAL APPLIANCE MFG187 citations99

US6026540AFeb 22, 2000

Upright vacuum cleaner with cyclonic airflow

ROYAL APPLIANCE MFG159 citations99

US6003196ADec 21, 1999

Upright vacuum cleaner with cyclonic airflow

ROYAL APPLIANCE MFG179 citations99

US6436160B1Aug 20, 2002

Dirt cup assembly for vacuum cleaner

ROYAL APPLIANCE MFG108 citations98

US5347679ASep 20, 1994

Stick type vacuum cleaner

ROYAL APPLIANCE MFG132 citations98

US7114216B2Oct 3, 2006

Vacuum cleaner with noise suppression features

ROYAL APPLIANCE MFG32 citations96

US6745432B2Jun 8, 2004

Upright vacuum cleaner with cyclonic airflow

ROYAL APPLIANCE MFG62 citations96

US6532621B2Mar 18, 2003

Vacuum cleaner with noise suppression features

ROYAL APPLIANCE MFG42 citations96

US6325864B1Dec 4, 2001

Combination dirty fluid tank and nozzle for a carpet extractor

ROYAL APPLIANCE MFG44 citations96

US6145159ANov 14, 2000

Combination dirty fluid tank and nozzle for a carpet extractor

ROYAL APPLIANCE MFG45 citations96

USD401021SNov 10, 1998

Hand held vacuum cleaner

ROYAL APPLIANCE MFG92 citations96

US5755009AMay 26, 1998

Bag mount for a vacuum cleaner

ROYAL APPLIANCE MFG62 citations96

USD373862SSep 17, 1996

Combined wet/dry vacuum cleaner with a detachable blower

ROYAL APPLIANCE MFG53 citations96

US5404614AApr 11, 1995

Latch assembly for blower of wet/dry vacuum cleaner

ROYAL APPLIANCE MFG97 citations96

US5561885AOct 8, 1996

Portable hand-held vacuum cleaner

ROYAL APPLIANCE MFG61 citations95

USD359604SJun 20, 1995

Vacuum cleaner

ROYAL APPLIANCE MFG55 citations94

USRE39473EJan 23, 2007

Upright vacuum cleaner with cyclonic airflow pathway

ROYAL APPLIANCE MFG35 citations93

US6948211B2Sep 27, 2005

Vacuum cleaner with noise suppression features

ROYAL APPLIANCE MFG26 citations93

USD433201SOct 31, 2000

Vacuum cleaner dust cup

ROYAL APPLIANCE MFG22 citations93

USD418265SDec 28, 1999

Upright vacuum cleaner

ROYAL APPLIANCE MFG35 citations93

US5911261AJun 15, 1999

Upright vacuum cleaner

ROYAL APPLIANCE MFG18 citations93

US5903955AMay 18, 1999

Upright vacuum cleaner

ROYAL APPLIANCE MFG20 citations93

US5850666ADec 22, 1998

Upright vacuum cleaner

ROYAL APPLIANCE MFG23 citations93

USD384448SSep 30, 1997

Wet/dry vacuum cleaner

ROYAL APPLIANCE MFG41 citations93

US5660493AAug 26, 1997

Latch assembly for blower of wet/dry vacuum cleaner

ROYAL APPLIANCE MFG35 citations93

USD346052SApr 12, 1994

Vacuum cleaner

ROYAL APPLIANCE MFG47 citations93

US5269042ADec 14, 1993

Height adjustment system for vacuum cleaner

ROYAL APPLIANCE MFG49 citations93

USD331991SDec 22, 1992

Power nozzle for a vacuum cleaner

ROYAL APPLIANCE MFG25 citations93

US5042109AAug 27, 1991

Height adjustment mechanism

ROYAL APPLIANCE MFG41 citations93

US5869947AFeb 9, 1999

Rechargeable hand held vacuum cleaner with electrical connections circuit board with spring contacts

ROYAL APPLIANCE MFG52 citations92

US5535500AJul 16, 1996

Method for manufacturing a bucket for a wet/dry vacuum cleaner

ROYAL APPLIANCE MFG46 citations92

US5247720ASep 28, 1993

Valving structure for air passageways of floor nozzle and auxiliary inlet of a vacuum cleaner

ROYAL APPLIANCE MFG49 citations92

US6536072B2Mar 25, 2003

Compression latch for dirt cup

ROYAL APPLIANCE MFG31 citations91

USD405929SFeb 16, 1999

Vacuum cleaner

ROYAL APPLIANCE MFG22 citations91

US7052523B2May 30, 2006

Bagless canister vacuum cleaner

ROYAL APPLIANCE MFG12 citations84

USD453867SFeb 19, 2002

Carpet extractor tool handle

ROYAL APPLIANCE MFG16 citations84

USD453245SJan 29, 2002

Dust cup for a vacuum cleaner

ROYAL APPLIANCE MFG14 citations84

US5606770AMar 4, 1997

Compact air path construction for vacuum cleaner

ROYAL APPLIANCE MFG17 citations82

US6467123B1Oct 22, 2002

Airflow indicator

ROYAL APPLIANCE MFG17 citations81

US5093956AMar 10, 1992

Snap-together housing

ROYAL APPLIANCE MFG21 citations81

US7900317B2Mar 8, 2011

Vacuum cleaner with noise suppression features

ROYAL APPLIANCE MFG3 citations74

Henkel IP & Holding GmbH

1 patent

USD931409SSep 21, 2021

Nozzle for hand pump

Henkel IP & Holding GmbH9 citations85

AMERICAN STERILIZER CO

1 patent

US10206842B2Feb 19, 2019

Medical table with leg support

AMERICAN STERILIZER CO6 citations82

STEPHENS PAUL D

1 patent

US8739358B2Jun 3, 2014

Vacuum cleaner with noise suppression features

STEPHENS PAUL D9 citations80

Showing the top 50 of 71 patents by PatentIndex Score.