DM

David Marschik

WE Westinghouse Electric: 12 patents #129 of 5,139Top 3%
📍 Vandergrift, PA: #26 of 285 inventorsTop 10%
🗺 Pennsylvania: #6,628 of 74,527 inventorsTop 9%
Overall (All Time): #429,287 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5450373 Apparatus for transmitting two frequency signals with an acoustic projector Thomas Kupiszewski 1995-09-12
5305288 Variable reluctance acoustic projector Thomas Kupiszewski 1994-04-19
5216888 Load transfer device for cryogenic application Thomas Kupiszewski 1993-06-08
5173677 Superconducting magnetic energy storage system with low friction coil support Jeffrey T. Dederer, Donald T. Hackworth, James A. Hendrickson 1992-12-22
5126979 Variable reluctance actuated flextension transducer Linwood M. Rowe, Jr., Thomas C. Montgomery, Thomas Kupiszewski 1992-06-30
5067044 Sensor for detecting a quench in a superconductor using an optical coupling George T. Mallick, Jr., James R. Logan 1991-11-19
4982571 Safety apparatus for superconducting magnetic energy stored system James R. Logan 1991-01-08
4779070 High energy toroidal inductor Donald T. Hackworth, Daniel W. Deis, Henry R. Schwenk, Edward J. Shestak, Carl J. Heyne +1 more 1988-10-18
4739442 High current mechanical connect/disconnect switch Donald T. Hackworth, Jiing-Liang Wu 1988-04-19
4713642 Face connected instrument transformer William R. Wolfe 1987-12-15
4683353 Rotary switch for inductively driven rail gun systems Jiing-Liang Wu, David W. Scherbarth 1987-07-28
4639700 Circuit interrupter with shock resistant mechanism Edward J. Shestak 1987-01-27