Inventor · disambiguated record
David T. Hahn
Also filed as: HAHN DAVID T
8 granted patents·478 citations·filing 1977–1996
90Inventor score
Top patents by PatentIndex Score
8 records- 0194US5448921ACoriolis mass flow rate meterDIRECT MEASUREMENT CORP·Filed 1994·Granted Sep 12, 1995·86 cites·35 claims
- 0293US5907104ASignal processing and field proving methods and circuits for a coriolis mass flow meterDIRECT MEASUREMENT CORP·Filed 1995·Granted May 25, 1999·98 cites·54 claims
- 0393US5576500ACoriolis mass flow rate meter having means for modifying angular velocity gradient positioned within a conduitDIRECT MEASUREMENT CORP·Filed 1995·Granted Nov 19, 1996·137 cites·24 claims
- 0491US5827979ASignal processing apparati and methods for attenuating shifts in zero intercept attributable to a changing boundary condition in a Coriolis mass flow meterDIRECT MEASUREMENT CORP·Filed 1996·Granted Oct 27, 1998·85 cites·36 claims
- 0568US4823592ATest apparatus for proving the performance of mass flow metersMICRO MOTION INC·Filed 1988·Granted Apr 25, 1989·26 cites·10 claims
- 0659US4845989AMethod and apparatus for determining elastic constants in tubesTITLOW JOSEPH D·Filed 1987·Granted Jul 11, 1989·23 cites·13 claims
- 0751US4899588AMethod and apparatus for determining elastic constants in tubesMICRO MOTION INC·Filed 1989·Granted Feb 13, 1990·16 cites·6 claims
- 0842US4120988AProtein snack product of improved structural integrityRALSTON PURINA CO·Filed 1977·Granted Oct 17, 1978·7 cites·3 claims
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