Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4489361 | Horizontally compact substation This invention deals with a substation in which one terminal of a breaker which consists of breaking sections elevationally contacted and separated is electrically connected to a transformer, said breaker is contained in an insulator which is substantiall... | 12/18/1984 |
| 4433326 | Power line communication system using the neutral and ground conductors of a residential branch circuit At a point on a residential branch circuit downstream from the service entry load center where the termination of the neutral conductor thereof is solidly clamped to ground and the ground conductor is terminated in electrical connection in common with the... | 02/21/1984 |
| 4419647 | Liquid-cooled transformer for large power ratings Liquid-cooled transformer for large power ratings, including a tank having a bottom with cutouts formed therein, large-area base plates resting on the bottom of the tank, an active part having ends and a pressure device being fastened to the base plates, ... | 12/06/1983 |
| 4408186 | Power line communication over ground and neutral conductors of plural residential branch circuits Power line communication over plural residential branch circuits is accommodated by creating a signal coupling inductive impedance in a tie conductor electrically interconnecting the grounded neutral bus, to which the branch circuit neutral conductors are... | 10/04/1983 |
| 4360849 | Power distribution system A distribution substation including a transformer module and a feeder module. The transformer module including a tank, a transformer having primary and secondary windings immersed in insulating oil within the tank, a radiator connected to the tank for coo... | 11/23/1982 |
| 4343030 | Load break switch A compact load break switch having at least one vacuum interrupter connected between two terminals carried by respective insulating bushings through a current exchange assembly. The vacuum interrupter is disposed within one of the insulating bushings, and... | 08/03/1982 |
| 4128871 | High voltage DC power supply A high voltage DC power supply including a high voltage transformer having output bushings extending from the transformer housing, and a rectifier unit mounted between the high voltage bushings. The rectifier unit is housed in an electrically nonconductin... | 12/05/1978 |
| 4053724 | Panel and plural module assembly having mechanical keying and modular plug structure to activate/deactivate automatically bridged load carrying circuits A master structure supports a plurality of independent switching and control units. Insertion of a switching and control unit into the master structure makes electrical connection. Load carrying circuits are automatically bridged by the removal of a unit.... | 10/11/1977 |
