Assignee
HASSELMANN DETLEV E M
US·9 granted patents·345 citations·filing 1979–1993
Top patents by PatentIndex Score
9 records- 0194US4672842ASystem and method for automatically monitoring liquid volume changes in storage tanksHASSELMANN DETLEV E M·Filed 1985·Granted Jun 16, 1987·86 cites·51 claims
- 0292US4827762ASystem and method for automatically monitoring liquid volume changes in storage tanksHASSELMANN DETLEV E M·Filed 1987·Granted May 9, 1989·70 cites·29 claims
- 0388US5072621APipeline leak detector apparatus and methodHASSELMANN DETLEV E M·Filed 1990·Granted Dec 17, 1991·53 cites·16 claims
- 0478US5315862AFlow meterHASSELMANN DETLEV E M·Filed 1991·Granted May 31, 1994·32 cites·14 claims
- 0571US5316057AVapor recovery system testerHASSELMANN DETLEV E M·Filed 1993·Granted May 31, 1994·42 cites·19 claims
- 0671US4969749AApparatus and method for measurement of average temperature change in a storage tankHASSELMANN DETLEV E M·Filed 1988·Granted Nov 13, 1990·27 cites·12 claims
- 0762US4295505AGasoline vapor recovery systemHASSELMANN DETLEV E M·Filed 1979·Granted Oct 20, 1981·20 cites·5 claims
- 0846US4295504AGasoline vapor recovery systemHASSELMANN DETLEV E M·Filed 1979·Granted Oct 20, 1981·9 cites·5 claims
- 0932US5244018ABellowless vapor recovery nozzleHASSELMANN DETLEV E M·Filed 1992·Granted Sep 14, 1993·6 cites·13 claims
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