Klein; Erwin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Klein; Erwin.The latest application filed is for "method and apparatus for forming a profile in a wall of a hollow cylindrical work piece".

Company Profile

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Klein; Erwin - Rodgau DE
Klein; Erwin - Heddesheim DE
Klein; Erwin - Regensburg DT
Klein; Erwin - Los Angeles CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for forming a profile in a wall of a hollow cylindrical work piece Grant 5,953,947 - Klein September 21, 1	1999-09-21
Can-type evaporative cooling device for power semiconductor elements Grant 4,574,877 - Klein March 11, 1	1986-03-11
Cooling device, in which converters or rectifiers or other semiconductor components are immersed in boiling liquor Grant 4,566,529 - Klein January 28, 1	1986-01-28
Power semiconductor component for liquid cooling Grant 4,521,170 - Klein June 4, 1	1985-06-04
Power semiconductor component for boiling cooling Grant 4,520,383 - Klein May 28, 1	1985-05-28
Cooling device for electrical and/or electronic component elements producing lost heat and a procedure for operating such Grant 4,350,026 - Klein September 21, 1	1982-09-21
Cooling container for cooling a semiconductor element Grant 4,151,548 - Klein , et al. April 24, 1	1979-04-24
Internal combustion engine performance control system Grant 3,888,220 - Bigalke , et al. June 10, 1	1975-06-10
Electronic Ignition Angle Measuring Apparatus Grant 3,883,795 - Klein , et al. May 13, 1	1975-05-13
Multi-celled Mounting Frame For Static Converter Modules Grant 3,846,678 - Klein November 5, 1	1974-11-05
Dental Illumination Device Grant 3,683,503 - Klein August 15, 1	1972-08-15

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