1
C Gregory Chen, Ping S Lee, Peter J Theisen, Slobodan Krstic: Hybrid D.C. power controller. Eaton Corporation, C H Grace, W A Autio, December 13, 1983: US04420784 (57 worldwide citation)

A hybrid D.C. power controller of the relay/circuit breaker type that uses a hybrid arrangement of hard contacts (4) and power FET's (18, 20) in cooperative functional combination as the arc quenching means for 270 volt D.C. power systems in low atmospheric pressure environments such as at 80,000 fe ...


2
Donald A Link, John A Swessel Jr, Peter J Theisen: Molded case circuit breaker with improved high fault current interruption capability. Eaton Corporation, L G Vande Zande, C H Grace, September 4, 1984: US04470027 (55 worldwide citation)

A contact structure (40, 44; 62, 63) is arranged to provide oppositely directed parallel current paths within a closed loop magnetic flux amplifier (46) to be directly separable under high overload current conditions, the flux amplifier (46) functioning to arrest the movable contact (62, 63) momentu ...


3
Walter M Zoller, David S Hunter Jr, Edward L Wellner, Michael R Larsen, Peter J Theisen, Donald A Link: Molded case circuit breaker with interchangeable trip unit having bimetal assembly which registers with permanent heater transformer airgap. Eaton Corporation, Larry G Vande Zande, March 4, 1997: US05608367 (53 worldwide citation)

In a molded case circuit breaker with an interchangeable thermalmagnetic trip unit, the C-shaped heater transformer core is permanently held in place in the casing by a load bus strap with the gap in the core facing the trip unit. When the interchangeable trip unit is inserted into the molded casing ...


4
Francois J Marchand, George Alfred Hodkin, Trevor Brian Marshal, Norman Davies, Peter J Theisen: Modular, miniaturized switchgear. Eaton Corporation, Martin J Moran, March 26, 2002: US06362445 (52 worldwide citation)

A compact switchgear system employing a number of modular components that plug into their mating interface and are maintained in electrical isolation employing solid insulation in a manner that substantially shields the electrical conducting portions of the assembly from contact with lower voltage p ...


5
Peter J Theisen, Daniel A Wycklendt, Mark A Juds, Peter K Moldovan: Direct current switching apparatus. Eaton Corporation, L G Vande Zande, April 2, 1991: US05004874 (45 worldwide citation)

Direct current switching apparatus having two arc extinguishing chambers each comprising a pair of spaced conductors providing cooperable arc runners divergent toward a row of non-ferromagnetic splitter plates and a stationary contact conductively mounted on one conductor, the stationary contacts of ...


6
Albert C Snowdon, Kenneth A Forsell, Peter J Theisen, Emil W Zarling, David G Porter: Compliant electrical connector for flat conductors. Eaton Corporation, C H Grace, L G Vande Zande, July 31, 1984: US04462657 (38 worldwide citation)

A plurality of coil springs (6) are secured to the flat inner surfaces (4a) of a jaw type connector (12) to receive a flat conductor (20, 24) such as a bus bar between the opposed springs, the individual coils of each spring (6) engaging the surfaces of the connector (4) and bus bar (20, 24) to prov ...


7
Ralph F Bielinski, James R Jaeschke, Slobodan Krstic, Earl T Piber, Peter J Theisen: Solid state hybrid switch. Eaton Corporation, D A Rowe, W A Autio, February 10, 1987: US04642481 (33 worldwide citation)

A hybrid switch (2) having a solid state circuit (2a) including a thyristor (SCR) for closing and reopening a supply circuit (S,4,6) to a load (L) and contacts including an isolating contact (S1) for connecting power to and disconnecting power from the solid state circuit (2a), a control contact (S2 ...


8
Joseph C Engel, Engelbert Hetzmannseder, Kevin L Parker, Peter J Theisen, Joseph C Zuercher: Arc fault detector and method for locating an arc fault. Eaton Corporation, Loren H Lithoff Jr, Marvin L Ūnion, August 7, 2007: US07253640 (27 worldwide citation)

A circuit breaker for locating an arc fault for a protected circuit includes separable contacts interrupting the protected circuit and an arc fault detector determining an arc fault in the protected circuit. An analog to digital converter circuit measures a value of peak arc current at the arc fault ...


9
Donald A Link, John A Swessel Jr, Peter J Theisen: Molded case circuit breaker with improved high fault current interruption capability. Eaton Corporation, C H Grace, L G Vande Zande, July 2, 1985: US04527027 (22 worldwide citation)

A contact structure (40, 44; 62, 63) is arranged to provide oppositely directed parallel current paths within a closed loop magnetic flux amplifier (46) to be directly separable under high overload current conditions, the flux amplifier (46) functioning to arrest the movable contact (62, 63) momentu ...


10
Peter K Moldovan, Earl T Piber, Peter J McGinnis, Peter J Theisen, Jeffery A Patten: Direct current switching apparatus. Eaton Corporation, May 16, 1995: US05416455 (18 worldwide citation)

A two-pole switch for DC current has a housing formed by a pair of open shells abutting each other to enclose components of the apparatus. Each shell rigidly holds a stationary contact, and an actuator is pivotally coupled to the shells. A pair of movable contacts are pivotally attached to the actua ...