RH

Ralph M. Hoffmann

CT Compression Technologies: 5 patents #1 of 2Top 50%
TP Trochoid Power: 5 patents #1 of 2Top 50%
Airbus Operations Limited: 2 patents #793 of 3,269Top 25%
Overall (All Time): #322,005 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9605472 Connecting means comprising a hatch and a bellows Stefan Ebeling, Jens Gärtner, Andreas Kohler, Raj Kotian 2017-03-28
9306331 Self-aligning connector for data and/or power transmission Roland Lange, Stefan Ebeling, Jens Gärtner, Andreas Kohler, Raj Kotian 2016-04-05
5046932 Rotary epitrochoidal compressor 1991-09-10
4911043 Apparatus and method for milling a trochoidal rotor 1990-03-27
4895222 Constant level oiler 1990-01-23
4884661 Center-fill top cover for oilers 1989-12-05
4827983 Swiveling mount for the outlet of a pressure vessel 1989-05-09
4778362 Outer envelope trochoidal rotary device having a two piece rotor assembly 1988-10-18
4735560 Seal assembly for a rotary device Larry Wydra 1988-04-05
4728270 Apparatus and method for replacing apex seals in a rotary device 1988-03-01
4721445 Outer envelope trochoidal rotary device having a rotor assembly having peripheral reliefs 1988-01-26
4551083 Dual rotor gear assembly for trochoidal rotary device 1985-11-05
4400145 Driveshaft arrangement for a rotary expansible chamber device 1983-08-23
4382755 Driveshaft arrangement for trochoidal rotary device 1983-05-10
4297090 Rotary expansion power unit with valve disc connected to crankshaft 1981-10-27