Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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.
| Number | Title | Issue Date |
| 6624375 | Wire lug/arc vent barrier molded case circuit breaker The present invention provides a wire lug arc vent barrier for protecting a wire lug in a molded case circuit breaker, with the circuit breaker having a housing with a terminal for a load connection and a terminal for a line connection. The wire lug/arc v... | 09/23/2003 |
| 5933066 | Circuit interrupter with terminal shield and wire trough A molded case circuit breaker or switch having the LOAD and/or LINE terminals thereof protected by a multifunctional terminal shield arrangement which also provides interphase barriers for the aforementioned terminals and associated wiring. The barrier al... | 08/03/1999 |
| 5837955 | Gas circuit breaker The gas circuit breaker comprises a metal container filled with an insulating gas; first and second contacts disposed opposite each other in the metal container so that they can be brought into and out of engagement with each other; and a metal shield arr... | 11/17/1998 |
| 5728989 | Insulation gas filled circuit breaker An insulation gas filled circuit breaker in which a circuit breaking portion including two separably opposing contacts and a capacitor connected in parallel between the two contacts in the circuit breaking portion are disposed in a closed metal container ... | 03/17/1998 |
| 4748303 | Isolating switch of a high voltage metalclad installation An isolating switch of a metalclad installation having an earthed metal enclosure is filled with a high dielectric strength gas. The isolation gap "d" separating the stationary contact from the movable sliding pin is surrounded by an annular electrode fit... | 05/31/1988 |
| 4117289 | Single tank multibreaker circuit interrupter A gas insulated circuit breaker is provided having a plurality of circuit interrupters disposed in a single enclosure. Each interrupter is provided with its own high pressure container located within the sealed enclosure; the high pressure container also ... | 09/26/1978 |
| 4109124 | Circuit-breakers for high voltages Monophase or polyphase circuit-breaker for high voltages, in which the switch work is or the switch works of all phases together are insulatedly accommodated in a closed metal casing and the two end contact holders of the or each switch work are connected... | 08/22/1978 |
