Inventor
THUR CHARLES J
US47 patents
⚠️ This page may combine multiple inventors who share the name “THUR CHARLES J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROYAL APPLIANCE MFG
46 patentsUS7146681B2Dec 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
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
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
US6108861AAug 29, 2000
Extendable hose for a vacuum cleaner
ROYAL APPLIANCE MFG79 citations96
US5797162AAug 25, 1998
Extendable hose for a vacuum cleaner
ROYAL APPLIANCE MFG63 citations96
US5755009AMay 26, 1998
Bag mount for a vacuum cleaner
ROYAL APPLIANCE MFG62 citations96
USRE39473EJan 23, 2007
Upright vacuum cleaner with cyclonic airflow pathway
ROYAL APPLIANCE MFG35 citations93
US6951045B2Oct 4, 2005
Vacuum cleaner having hose detachable at nozzle
ROYAL APPLIANCE MFG35 citations93
US6948211B2Sep 27, 2005
Vacuum cleaner with noise suppression features
ROYAL APPLIANCE MFG26 citations93
USD494329SAug 10, 2004
Conically shaped filter
ROYAL APPLIANCE MFG27 citations93
USD441155SApr 24, 2001
Filter for vacuum cleaner
ROYAL APPLIANCE MFG21 citations93
USD433201SOct 31, 2000
Vacuum cleaner dust cup
ROYAL APPLIANCE MFG22 citations93
USD427399SJun 27, 2000
Nozzle base for vacuum cleaner
ROYAL APPLIANCE MFG36 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
USD439383SMar 20, 2001
Nozzle base for a vacuum cleaner
ROYAL APPLIANCE MFG33 citations92
US6536072B2Mar 25, 2003
Compression latch for dirt cup
ROYAL APPLIANCE MFG31 citations91
US6523222B2Feb 25, 2003
Airflow shut-off mechanism for vacuum cleaner
ROYAL APPLIANCE MFG14 citations84
US7900317B2Mar 8, 2011
Vacuum cleaner with noise suppression features
ROYAL APPLIANCE MFG3 citations74
US7134166B2Nov 14, 2006
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG3 citations74
USRE38949EJan 31, 2006
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG10 citations74
USD465075SOct 29, 2002
Vacuum cleaner upper portion
ROYAL APPLIANCE MFG13 citations74
USD453595SFeb 12, 2002
Dirt cup for a vacuum cleaner
ROYAL APPLIANCE MFG13 citations74
USD453403SFeb 5, 2002
Dirt cup lid for a vacuum cleaner
ROYAL APPLIANCE MFG9 citations74
USD440365SApr 10, 2001
Lower handle portion of a vacuum cleaner
ROYAL APPLIANCE MFG12 citations74
USD439385SMar 20, 2001
Upper handle portion of a vacuum cleaner
ROYAL APPLIANCE MFG10 citations74
USD436701SJan 23, 2001
Filter holder for a vacuum cleaner
ROYAL APPLIANCE MFG11 citations74
USD418953SJan 11, 2000
Upright vacuum cleaner
ROYAL APPLIANCE MFG9 citations74
US6510584B2Jan 28, 2003
Flow cut-off and brushroll shut-off mechanism for vacuum cleaner
ROYAL APPLIANCE MFG8 citations73
USD408600SApr 20, 1999
Vacuum cleaner
ROYAL APPLIANCE MFG9 citations73
US6836930B2Jan 4, 2005
Airflow indicator
ROYAL APPLIANCE MFG11 citations71
US7627929B2Dec 8, 2009
Vacuum cleaner with noise suppression features
ROYAL APPLIANCE MFG1 citations63
USD436425SJan 16, 2001
Cap for dirt cup of a vacuum cleaner
ROYAL APPLIANCE MFG4 citations63
US5781961AJul 21, 1998
Conduit for a vacuum cleaner
ROYAL APPLIANCE MFG4 citations63
US6282748B1Sep 4, 2001
Brushroll chamber for vacuum cleaner
ROYAL APPLIANCE MFG2 citations62