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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
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| Number | Title | Issue Date |
| 7368743 | Device for detecting fluorescent trace material A fluorescent trace material is provided within at least a portion of an electrical contact or interrupter assembly component, or a cavity defined therein. At least a portion of the fluorescent trace material is exposed or released from the electrical contact or int... | 05/06/2008 |
| 7312412 | High power liquid dielectric switch Method and apparatus for switching high power at high repetition rates. The apparatus is preferably a switch utilizing a pressurized flowing dielectric. The pressurized dielectric suppresses growth of dielectric breakdown byproducts, such as large bubbles and breakd... | 12/25/2007 |
| 6916212 | Comb and a method for making a branch connection to preexisting cabling A comb for making a branch connection to preexisting cabling in an information transmission network includes branch connection plugs fitted with contact fingers suitable for being inserted in an electrical junction strip for connecting the preexisting cabling to bra... | 07/12/2005 |
| 6188035 | Electrical contact wear and temperature indicator The design of electrical switches that operate under load (with current flowing) requires replacement of the electrical contact after erosion and wear experienced by arcing and raised temperatures reduce functionality below acceptable limits. A quantity o... | 02/13/2001 |
| 6023036 | Electrical contact wear and temperature indicator The design of electrical switches that operate under load (with current flowing) requires replacement of the electrical contact after erosion and wear experienced by arcing and raised temperatures reduce functionality below acceptable limits. A quantity o... | 02/08/2000 |
| 5483032 | High voltage load interrupter with safety system A high voltage load interrupter including an oil switch and a vacuum switch, an oil switch operating handle for manual operation of the oil switch, and a vacuum switch operating handle for manual operation of the vacuum switch, in which the oil switch ope... | 01/09/1996 |
| 4742197 | High-voltage switch The high-voltage switch filled with an insulating medium has at least one interrupter chamber (3, 3a) fixed on a central housing (2) supported by an insulator column (1). Fitted in the region of the at least one interrupter chamber (3, 3a) is at least one... | 05/03/1988 |
| 4690780 | Insulating material and use thereof in insulators An improved insulating material is provided. The insulating material is a mixture of an insulating fluid and solid insulative bodies. The insulating material exhibits desirable insulating, conformal coating, surface adhesion, and low-viscosity characteris... | 09/01/1987 |
| 4621561 | Switch for inductive energy store transfer circuit A switch for use in an inductive energy store transfer circuit utilizes a quantity of electrically conductive liquid bidirectionally flowable between a position that establishes electrical connection between electrodes and a position that opens electrical... | 11/11/1986 |
| 4617542 | High voltage switching device A switch having gold-plated contacts on which is formed a gold-mercury amalgam, at least the contacts being immersed in a totally fluorinated hydrocarbon fluid.... | 10/14/1986 |
| 4280098 | Coaxial spark gap switch The switch is usable for switching currents of 40 kiloamperes at 250 kilovolts to produce current pulses a few nanoseconds in duration at kilohertz rates. In a preferred embodiment, the switch includes three independently-triggerable spark gaps which are ... | 07/21/1981 |
| 4253002 | Self-extinguishing type circuit interrupter A circuit interrupter comprising a first and a second chamber both containng an arc extinguishing gas such as SF6 gas, each chamber defining a space independent of the other when a pair of contacts is closed. Between the first and second chambe... | 02/24/1981 |
| 4183005 | Circuit interrupting device An improved circuit interrupting device includes a pair of relatively movable contacts between which an arc is established. As the contacts are moved apart to elongate the arc, a container of pressurized dielectric fluid directs a flow of the fluid from a... | 01/08/1980 |
| 4123618 | Vapor-cooled terminal-bushings for oil-type circuit-interrupters An improved vapor-cooled terminal-bushing is provided for increased current-carrying capacity, such as 6,000 amperes, for example, in an oil-type circuit-breaker, being provided with a "dry" body portion, utilizing resinous materials, such as epoxy-resin ... | 10/31/1978 |
