"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."
Dr. Alfred Velpeau, French surgeon ; 1839
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 |
| 4459639 | Circuit board heatsink clamping assembly and technique A technique and assembly is disclosed which allows more effective heat dissipation in a printed circuit assembly. A heatsink plate is etched using the artwork or masks used to form the conductive strips and terminals on a conventional printed circuit boar... | 07/10/1984 |
| 4345267 | Active device substrate connector having a heat sink The present invention is to a heat sink device designed to conduct heat away from an active device substrate housed in a connector of the type having a hinged cover with spring elements thereon. More particularly the preferred embodiment includes a base m... | 08/17/1982 |
| 4338652 | Stack module and stack loader therefor A packaged stack of flat electrical components is held under controlled pressure in its supporting frame by a stack loader calibrated for applying the exact force required for good thermal and electrical contact. The stack is lowered or raised in the supp... | 07/06/1982 |
| 4237521 | Housing for electronic assembly including internally mounted heat sink A heat sink (50), on which is mounted heat producing elements, such as transistors (40-43), is contained entirely within a cabinet (10) provided with openings (20, 27) positioned directly below and above the heat sink. The heat sink includes a rectangular... | 12/02/1980 |
| 4177499 | Electronic assembly with heat sink means An electronic assembly consisting of at least a pair of modules, a control and power semiconductor module and a filter module interconnected by means permitting ease of assembly and disassembly. The control and power semiconductor module comprises a pair ... | 12/04/1979 |
| 4161016 | Semiconductor and heat sink assembly A semiconductor and heat sink assembly of the type having two groups of semiconductor devices only one group of which is operable at any instant in time has the semiconductor devices arranged, with respect to the heat sink portion of the assembly, in a di... | 07/10/1979 |
| 4004528 | Heat sink for an appliance circuit board A heat sink arrangement for a circuit board in a sewing machine which supports the circuit board for ready disassembly therefrom, and makes use of the sewing machine frame as an additional heat sink. The circuit board is riveted to an aluminum heat sink m... | 01/25/1977 |
| 4004195 | Heat-sink assembly for high-power stud-mounted semiconductor device A heat-sink assembly adapted for use with a high-power stud-mounted semiconductor device comprises a heat-dispersing arm having one end securely attached to a circuit board and the other end shaped for semipermanent connection and thermal coupling to a he... | 01/18/1977 |
| 3955122 | Heat sink mounting for controlled rectifiers One layer of three heat sinks for conducting alternating current and a second layer of two heat sinks for conducting direct current sandwich twelve controlled rectifiers which are electrically arranged to provide a pair of gated rectifier bridge networks ... | 05/04/1976 |