U.S. patents available from 1976 to present.
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...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!

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Class 219/150V - Riveting


Subclass of Class 219 - Electric heating
No. of patents: 7
Last issue date: 03/11/2008


NumberTitleIssue Date
7341176Method of tying two or more components together
Method of tying two or more components together using a fastener. Each component is provided with a hole and the components are placed so that the holes overlap one another in order to receive the fastener in the holes. The fastener is placed in the holes and mechan...
03/11/2008
6417490Method and device for thermally supporting mechanical joints
The invention relates to a method and device for thermally supporting mechanical joints by means of punched rivets with a semi-hollow rivet or a solid rivet or by pounding. The method is characterized in that a local and time limited heating of the joint ...
07/09/2002
5461768Electrically heatable caulking system and method
An electrical caulking method for a work made from a magnesium or a magnesium alloy wherein a caulking pin integrally projects from a body, wherein an electric caulking apparatus having two opposing electrodes is used. The work is held between the opposin...
10/31/1995
4760242Fused eyeletting machine
A machine for setting eyelets and the like in printed circuit boards includes a generally U-shaped frame having a pair of spaced-apart support arms defining a workpiece receiving zone therebetween, a first tool movably mounted in one of the support arms, ...
07/26/1988
4584460Fused eyeletting machine
A portable machine is disclosed for setting eyelets and the like in printed circuit boards and includes an upper tool connected to a mandrel mounted in a frame and movable into and out of engagement with a lower tool by a toggle means. The lower tool is r...
04/22/1986
3982612Brake lining device
A device including a brake lining or the like friction lining, such as a brake shoe, which device is more economical and simpler to produce and avoids squealing due to loosening and separation of the lining relative to its support. The brake lining device...
09/28/1976
3940590Fused eyeletting machine
A fushed eyeletting machine which constitutes an improvement over the structure disclosed by U.S. Pat. No. 3,739,141, the improvement features being in the upper setting tool mount structure. The upper arm of the C-shaped frame terminates in a pair of spaced a...
02/24/1976
 
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