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Class Information
Number: 15/422
Name: Brushing, scrubbing, and general cleaning > Machines > With air blast or suction > Nozzle > With guard to inhibit work entry into nozzle mouth
Description: Nozzles having means other than or in addition to the nozzle lips acting to hinder or to prevent the work being drawn into the nozzle.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7293327 |
Device for suction of waste and similar |
Nov. 13, 2007 |
| 7143468 |
Vortex vacuum cleaner nozzle with means to prevent plume formation |
Dec. 5, 2006 |
| 6983511 |
Multipurpose tool for cleaning machines |
Jan. 10, 2006 |
| 6966099 |
Duster nozzle for vacuum cleaners |
Nov. 22, 2005 |
| 6622341 |
Position shifting plate for an air blowing device |
Sep. 23, 2003 |
| 6553599 |
Low-profile and highly-maneuverable vacuum cleaner having at least one anti-ingestion bar |
Apr. 29, 2003 |
| 6442790 |
Portable blower/vacuum having air inlet cover attachable to blower tube |
Sep. 3, 2002 |
| 6152151 |
Device and method for liquid removal from carpet |
Nov. 28, 2000 |
| 6044521 |
Hygienic body vac |
Apr. 4, 2000 |
| 5829091 |
Automobile central vacuum cleaning system |
Nov. 3, 1998 |
| 5791012 |
Safety cage for high suction industrial vacuums |
Aug. 11, 1998 |
| 5729863 |
Spray mist collector for spray guns |
Mar. 24, 1998 |
| 5692263 |
Delicate dusting vacuum tool |
Dec. 2, 1997 |
| 5481781 |
Rollered nozzle |
Jan. 9, 1996 |
| 5457846 |
Portable power blower |
Oct. 17, 1995 |
| 5267372 |
Hair vacuum apparatus |
Dec. 7, 1993 |
| 5263224 |
Wet vacuum attachment for vacuum cleaners |
Nov. 23, 1993 |
| 5263860 |
Aseptic hose connector and cap |
Nov. 23, 1993 |
| 5146868 |
Self contained recirculating powdering a vacuuming assembly |
Sep. 15, 1992 |
| 5033159 |
Method of cleaning up spilled oil |
Jul. 23, 1991 |
| 4953255 |
Portable hot ash vacuum |
Sep. 4, 1990 |
| 4918781 |
Hand vacuum cleaner |
Apr. 24, 1990 |
| 4756668 |
Air intake cover for a blower vacuum apparatus |
Jul. 12, 1988 |
| 4587687 |
Mounting piece for suction hose of a central vacuum cleaning system |
May. 13, 1986 |
| 4476607 |
Portable vacuum cleaning device |
Oct. 16, 1984 |
| 4355435 |
Surface maintenance equipment |
Oct. 26, 1982 |
| 4285092 |
Bottom plate for a carpet power cleaner |
Aug. 25, 1981 |
| 4279057 |
Portable spotting tool for carpets |
Jul. 21, 1981 |
| 4265621 |
Tip for dental aspirator |
May. 5, 1981 |
| 4083077 |
Hand tool for cleaning fabric |
Apr. 11, 1978 |
| 4083134 |
Suction head for dredgers |
Apr. 11, 1978 |
| 4045840 |
Vacuum cleaner tool for cleaning deep pile carpets |
Sep. 6, 1977 |
| 4042999 |
Miniaturized vacuum cleaner device |
Aug. 23, 1977 |
| 3972089 |
Brake drum duster system |
Aug. 3, 1976 |
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