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Class Information
Number: 116/142FP
Name: Signals and indicators > Horns, whistles and compressional wave generators > Diaphragm horns > Fluid pressure operated
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7389740 |
Acoustic device |
Jun. 24, 2008 |
| 7370600 |
Air horn with light signal |
May. 13, 2008 |
| 6816065 |
Electromechanical horn warning system |
Nov. 9, 2004 |
| 6796265 |
Pneumatic signaling device for divers |
Sep. 28, 2004 |
| 6755147 |
Underwater signalling devices |
Jun. 29, 2004 |
| 6550416 |
Pneumatic valve device |
Apr. 22, 2003 |
| 6412435 |
Dirty filter indicator |
Jul. 2, 2002 |
| 6294984 |
Air horn assembly |
Sep. 25, 2001 |
| 6065562 |
System for imparting compressional and shear waves into the earth |
May. 23, 2000 |
| 5836302 |
Breath monitor with audible signal correlated to incremental pressure change |
Nov. 17, 1998 |
| 5782198 |
Audible warning device |
Jul. 21, 1998 |
| 5662064 |
High acoustic output horn |
Sep. 2, 1997 |
| 5460116 |
Horn for sportfans |
Oct. 24, 1995 |
| 5355830 |
Rechargeable air horn and method of using the same |
Oct. 18, 1994 |
| 5265556 |
Advance warning traffic safety device |
Nov. 30, 1993 |
| 5200932 |
Underwater audible signalling device |
Apr. 6, 1993 |
| 5136964 |
Warning device for windsurfing craft |
Aug. 11, 1992 |
| 5106236 |
Audible alarm device for divers and others |
Apr. 21, 1992 |
| 5075671 |
Personal alarm system |
Dec. 24, 1991 |
| 5022790 |
Audible signalling system for divers |
Jun. 11, 1991 |
| 5022341 |
Horn |
Jun. 11, 1991 |
| 4998499 |
Underwater pneumatic horn |
Mar. 12, 1991 |
| 4970983 |
Multitone horn |
Nov. 20, 1990 |
| 4967684 |
Warning device |
Nov. 6, 1990 |
| 4915054 |
Warning device for a bicycle |
Apr. 10, 1990 |
| 4829930 |
Pneumatic horn |
May. 16, 1989 |
| 4777978 |
Pressure regulator with cam mechanism for spring tension adjustment |
Oct. 18, 1988 |
| 4541505 |
Acoustic unit base for electropneumatic horns |
Sep. 17, 1985 |
| 4401049 |
Acoustic warning device |
Aug. 30, 1983 |
| 4314522 |
Acoustic electropneumatic signal generator, particularly for automotive vehicles |
Feb. 9, 1982 |
| 4252077 |
Pneumatic sound generator |
Feb. 24, 1981 |
| 4227482 |
Pressurized fluid-actuated sound-producing device, and method of assembling it |
Oct. 14, 1980 |
| 4171678 |
Air horn |
Oct. 23, 1979 |
| 4102297 |
Acoustical signal apparatus |
Jul. 25, 1978 |
| 4050405 |
Single-housing multi-trumpet air horn |
Sep. 27, 1977 |
| 4044712 |
Pressurized fluid powered horn |
Aug. 30, 1977 |
| 4024830 |
Anti-burglar sound emitting device |
May. 24, 1977 |
| 4007703 |
Two-tone sound generator |
Feb. 15, 1977 |
| 3961597 |
Liquefied gas alarm device |
Jun. 8, 1976 |
| 3942468 |
Back pressure operated sound transmitter |
Mar. 9, 1976 |
| 3941081 |
Alarm for a bicycle |
Mar. 2, 1976 |
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