Inventor · disambiguated record
Hans Hrabal
Also filed as: HRABAL HANS
7 granted patents·164 citations·filing 1977–1989
87Inventor score
Top patents by PatentIndex Score
7 records- 0181US4193424ALamina valve for reciprocating compressorsENFO GRUNDLAGEN FORSCHUNGS AG·Filed 1977·Granted Mar 18, 1980·34 cites·3 claims
- 0277US4924906ARing valveHOERBIGER VENTILWERKE AG·Filed 1989·Granted May 15, 1990·33 cites·18 claims
- 0376US4869289AAdjustable compressor valve which can accommodate changing operating conditions in the compressor to which it is attachedHOERBIGER VENTILWERKE AG·Filed 1988·Granted Sep 26, 1989·32 cites·6 claims
- 0466US4869291ACompressor plate valveHOERBIGER VENTILWERKE AG·Filed 1988·Granted Sep 26, 1989·23 cites·10 claims
- 0565US4231394AClosing member for a ring valveENFO GRUNDLAGEN FORSCHUNGS AG·Filed 1979·Granted Nov 4, 1980·18 cites·8 claims
- 0652US4871299AScrew compressor unit including a centrifugal clutchHOERBIGER VENTILWERKE AG·Filed 1988·Granted Oct 3, 1989·11 cites·6 claims
- 0747US4799507AAdjustable compressor valve which can accommodate changing operating conditions in the compressor to which it is attachedHOERBIGER VENTILWERKE AG·Filed 1987·Granted Jan 24, 1989·13 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Hans Hrabal files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →