...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7033232 | Electric plug connector An electric plug connector has two separate contact members. Each of the contact members has a first pair of parallel elongate webs spaced from each other and a second pair of elongate webs that extend in the same plane perpendicular to the first pair of webs. The f... | 04/25/2006 |
| 6709300 | Female connectors for use with male electrodes The female connectors are made up of a power part (9), (15) (23), (34), (37), and a male electrode receiver (10), (16), (24), (38), (41) (46). The male electrode receiver is made up of a sh... | 03/23/2004 |
| 6139347 | Fixing terminal and an electrical connection module for a plug-in circuit breaker The invention relates to an electrical fixing terminal for an electrical switchgear apparatus being disconnected by an axial withdrawal motion. In particular, an extractable circuit breaker, comprising a protruding part extending parallel to an axis of wi... | 10/31/2000 |
| 6086398 | Terminal connection device A terminal connection device comprising: a first terminal; a terminal contact member composed of a plurality of contact pieces, each contact piece having a first contact surface and a second contact surface, the plurality of contact pieces being arranged ... | 07/11/2000 |
| 6024611 | Circuit breaker with detachable contacts A circuit breaker with detachable electric contact, constituted by plates (2,3) which are blanked or cut so as to form adjacent contact laminae (14) which define a seat (6;) for the insertion of a fixed current conducting bar (11) and a movable seat (5) f... | 02/15/2000 |
| 5601456 | Bus bar connector A bus bar connector of fewer parts to be easily assembled where plural grooves are formed in the outer periphery of a guide plate so as to position and to prevent plural contact plates from inclining, and a supporting arm is provided at a part of the oute... | 02/11/1997 |
| 5482481 | Bus bar connector A bus bar connector of fewer parts to be easily assembled where plural grooves are formed in the outer periphery of a guide plate so as to position and to prevent plural contact plates from inclining, and a supporting arm is provided at a part of the oute... | 01/09/1996 |
| 5468164 | Female contact, in particular for a high tension section switch A female contact, in particular for a high tension section switch, the female contact comprising two interleaved thimbles, a metal first thimble made by extruding a block of metal and then machining it, said first thimble having metal contact fingers desi... | 11/21/1995 |
| 5423700 | Bus bar connector A bus bar connector of fewer parts to be easily assembled where plural grooves are formed in the outer periphery of a guide plate so as to position and to prevent plural contact plates from inclining, and a supporting arm is provided at a part of the oute... | 06/13/1995 |
| 5334056 | Automatic cable connector with impact hammer An automatic cable connector includes a hammer that is moved to a cocked position by the end of an inserted cable. A hammer spring is compressed during the cocking motion. When the cocked position is reached, a frangible abutment fractures and the hammer ... | 08/02/1994 |
| 5176542 | Electrical connector for passing very high currents An electrical connector for interconnecting two electrically conductive members suitable for conveying very high currents, in particular short circuit currents, the connector comprising: a first connector part provided with a socket; a second connector pa... | 01/05/1993 |
| 5013267 | Electric connector A connector is made from a circular cylindrical body split into a plurality of unit arcuate conductive strip materials in the axial direction. A desired number of the arcuate conductive strip materials are arranged in an annular shape to form a cylindrica... | 05/07/1991 |
| 4955830 | Connectors A socket is constructed in such a way that six pieces of segments which are made of electric conductive bar and having a regular hexagonal cross section are assembled by a centripetal force of a spring band to provide a regular hexagonal plug inserting ho... | 09/11/1990 |
| 4846695 | Bus bar connector In a bus bar connector, a ball bearing (20) having an inner wheel (21), an outer wheel (22) and plural balls (23) is provided between a guide rod (7) and a guide hole (3b) of the bus bar (3). When the center of gravity of the bus bar (3) is moved by elect... | 07/11/1989 |
| 4653826 | High current connector A high current power connector has contact elements defining a pin receiving opening. The contact elements are spring loaded inwardly to increase the contact force between each contact element and a pin. The connector also has the capability for the conta... | 03/31/1987 |
| 4648683 | Adjustable length slotless female contact for connectors A connector having a center conductor contact whose length relative to an enclosing outer conductor contact can be adjusted to make a shoulder of the center conductor contact flush with the end of the outer conductor contact. In a female version of the co... | 03/10/1987 |
| 4501466 | High current contact A telescoping contact assembly for high current applications includes a center conductor and a coaxial contact sheath assembly. The contact sheath assembly comprises a plurality of spring-loaded elongated contact fingers arranged about the inner circumfer... | 02/26/1985 |