Inventor · disambiguated record
Helge Frank
Also filed as: FRANK HELGE
10 granted patents·435 citations·filing 1989–1996
92Inventor score
Top patents by PatentIndex Score
10 records- 0186US5303739AFresh water supply system for an aircraftDEUTSCHE AEROSPACE AIRBUS·Filed 1992·Granted Apr 19, 1994·66 cites·9 claims
- 0285US5655732AApparatus for draining waste water from aircraftDAIMLER BENZ AEROSPACE AIRBUS·Filed 1995·Granted Aug 12, 1997·81 cites·20 claims
- 0379US5261440AWater supply system for an aircraftDEUTSCHE AEROSPACE AIRBUS·Filed 1993·Granted Nov 16, 1993·59 cites·12 claims
- 0477US5317763AApparatus for low noise flushing a vacuum toilet, especially in an aircraftDEUTSCHE AEROSPACE AIRBUS·Filed 1993·Granted Jun 7, 1994·58 cites·10 claims
- 0577US5309938AFresh water supply system for an aircraftDEUTSCHE AEROSPACE AIRBUS·Filed 1992·Granted May 10, 1994·41 cites·13 claims
- 0663US5372710ASystem for producing reduced pressure on board of an aircraftDEUTSCHE AEROSPACE AIRBUS·Filed 1994·Granted Dec 13, 1994·34 cites·10 claims
- 0759US5622207AWater supply system with a pipe freeze up prevention in an aircraftDAIMLER BENZ AEROSPACE AIRBUS·Filed 1996·Granted Apr 22, 1997·35 cites·15 claims
- 0851US4985165AMaterial having a predeterminable magnetic susceptibilityDRAEGERWERK AG·Filed 1989·Granted Jan 15, 1991·9 cites·8 claims
- 0945US5305792AUsed or waste water collection system for an aircraftDEUTSCHE AEROSPACE AIRBUS·Filed 1992·Granted Apr 26, 1994·16 cites·9 claims
- 1040US5063925AControllable expiration valve arrangement for a ventilating apparatusDRAEGERWERK AG·Filed 1989·Granted Nov 12, 1991·36 cites·5 claims
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