U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 116/59 - Diaphragm horns


Subclass of Class 116 - Signals and indicators
Definition: Audible signal devices in which a vibrating diaphragm is
No. of patents: 7
Last issue date: 06/17/2008


NumberTitleIssue Date
7387079Automatic horn shutter
A horn assembly is disclosed. The horn assembly includes a shutter than can cooperate with a horn valve. The shutter disposed on an end portion of the horn assembly can help seal the horn assembly and prevent moisture, rain or debris from entering the interior of th...
06/17/2008
6816065Electromechanical horn warning system
An electromechanical horn warning system comprising a hollow body (2) having a cylindrical wall (8) closed by a bottom wall (9) and a flanged edge (12). At least one bobbin (3) abuts on the bottom wall (9) of the hollow body...
11/09/2004
6719324Horn contact apparatus and method
An enclosed contact horn mechanism includes: a pin having a first end and a second end; a base plate located near the first end; and a device located between the first end and the base plate; the device, the first end, and the base plate creating an enclosed contact...
04/13/2004
4802068Sealed chambers
The invention relates to chambers which are sealed against ingress of water and are provided with an element through which air may permeate to equalize pressures of air inside and outside the chamber. The element is of a foamed silicone and has a cellular...
01/31/1989
4717906Electric horn with improved pole piece and adjusting cap
An electric horn, especially adapted for automotive vehicles includes a pole piece and adjusting cap for the driving motor. The pole piece and adjusting cap include a cylindrical shank and an enlarged head including a conical flange. The flange terminates...
01/05/1988
4433750Synthetic horn projector with metal insert
The invention pertains to electric horns for automobiles wherein a metal horn motor housing is assembled to a sound projector formed of synthetic plastic. A metal insert is molded into the projector having a metal flange extending from the projector adjac...
02/28/1984
4401049Acoustic warning device
The invention relates to an acoustic warning device (especially for automobiles) of the type comprising a diaphragm pressed by a spring on a circular lip at one extremity of a horn. According to the invention the said lip is formed on a synthetic material...
08/30/1983
 
Sign InRegister
Username  
Password   
forgot password?