SM

Stephen A. Mrenna

WE Westinghouse Electric: 15 patents #70 of 5,139Top 2%
EA Eaton: 11 patents #222 of 3,708Top 6%
📍 Beaver, PA: #12 of 238 inventorsTop 6%
🗺 Pennsylvania: #2,310 of 74,527 inventorsTop 4%
Overall (All Time): #156,458 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
6515569 Circuit breaker with bypass conductor commutating current out of the bimetal during short circuit interruption and method of commutating current out of bimetal Edward Ethber Lias, Michael J. Erb 2003-02-04
6483408 Circuit breaker with bypass for redirecting high transient current and associated method Edward Ethber Lias, Michael J. Erb 2002-11-19
6411191 Current-limiting device employing a non-uniform pressure distribution between one or more electrodes and a current-limiting material John J. Shea, Jeffrey A. Miller, William Kingston Hanna 2002-06-25
6194982 Circuit interrupter with a magnetically-induced automatic trip assembly implementing a spring clamp Craig J. Puhalla, Daniel Edward Schiller, Keith Thomas 2001-02-27
6002313 Molded case circuit breaker with pressure release mechanism Richard Paul Malingowski, Kathryn M. Palmer 1999-12-14
5910758 Miniature circuit breaker with shunt trip device James Gerard Maloney 1999-06-08
5805038 Shock absorber for circuit breaker Kathryn M. Palmer, Kevin Simms 1998-09-08
5546060 Support plate for a circuit breaker 1996-08-13
5519561 Circuit breaker using bimetal of thermal-magnetic trip to sense current David M. Wood, Raymond W. Mackenzie 1996-05-21
5436604 Molded case for a miniature circuit breaker Richard W. Weaver 1995-07-25
5436605 Handle barrier in a molded case for a miniature circuit breaker 1995-07-25
5279487 Bolt-on, duplex circuit breaker rejection assembly Melvin A. Carrodus 1994-01-18
5193043 Phase sensitivity Kurt A. Grunert, Robert J. Tedesco, John A. Wafer, Henry A. Wehrli, III, Lawrence M. Hapeman 1993-03-09
5128828 Panelboard circuit breaker mounting assembly Joseph R. Manuel, III 1992-07-07
5008645 Circuit breaker with tamper indicating calibration means 1991-04-16
4933653 Circuit breaker with low current magnetic trip Melvin A. Carrodus, Kurt A. Grunert, Jere L. McKee 1990-06-12
4725799 Circuit breaker with remote control Walter V. Bratkowski 1988-02-16
4725800 Circuit breaker with magnetic shunt hold back circuit Kurt A. Grunert, James P. Ellsworth 1988-02-16
4719438 Circuit breaker with fast trip unit Kurt A. Grunert, Jonathan Weiss, Vijay Garg 1988-01-12
4698606 Circuit breaker with adjustable thermal trip unit Michael Jerome Whipple 1987-10-06
4691182 Circuit breaker with adjustable magnetic trip unit Michael Jerome Whipple 1987-09-01
4620076 Circuit breaker apparatus with line terminal shields Gale C. Vosler 1986-10-28
4503408 Molded case circuit breaker apparatus having trip bar with flexible armature interconnection Glenn R. Thomas, Charles E. Haugh 1985-03-05
RE30862 Rejection-type fuse clip Zelko J. Kruzic 1982-02-09
4286242 Mechanical interlock for low voltage circuit breakers Alfred E. Maier, Glenn R. Thomas 1981-08-25