Inventor · disambiguated record
Heinz-Jurgen Ahlf
Also filed as: AHLF HEINZ-JUERGEN
12 granted patents·213 citations·filing 1979–1994
92Inventor score
Technology areasA47L
Files withVORWERK CO INTERHOLDING12
Top patents by PatentIndex Score
12 records- 0166US5867862AVacuum cleaning appliance with telescopic handleVORWERK CO INTERHOLDING·Filed 1994·Granted Feb 9, 1999·31 cites·8 claims
- 0261US4961765AElectrical vacuum cleaner and filter bag for sameVORWERK CO INTERHOLDING·Filed 1989·Granted Oct 9, 1990·27 cites·14 claims
- 0358US4696076AVacuum cleaner nozzleVORWERK CO INTERHOLDING·Filed 1986·Granted Sep 29, 1987·24 cites·5 claims
- 0454US4851019AElectric vacuum cleanerVORWERK CO INTERHOLDING·Filed 1988·Granted Jul 25, 1989·22 cites·22 claims
- 0554US4459720ASuction nozzle unitVORWERK CO INTERHOLDING·Filed 1982·Granted Jul 17, 1984·22 cites·7 claims
- 0645US4685170ABristle component for a floor cleaning nozzleVORWERK CO INTERHOLDING·Filed 1986·Granted Aug 11, 1987·14 cites·4 claims
- 0744US4885013AArrangement of filter bags in electric vacuum cleanersVORWERK CO INTERHOLDING·Filed 1988·Granted Dec 5, 1989·19 cites·15 claims
- 0844US4538322AAttachment nozzle for a vacuum cleaning systemVORWERK CO INTERHOLDING·Filed 1984·Granted Sep 3, 1985·12 cites·7 claims
- 0943US4309048AElement for connecting an accessory instrument to a vacuum cleanerVORWERK CO INTERHOLDING·Filed 1979·Granted Jan 5, 1982·11 cites·3 claims
- 1041US5221303AInterface arrangement for a filter bag in a vacuum cleanerVORWERK CO INTERHOLDING·Filed 1992·Granted Jun 22, 1993·13 cites·4 claims
- 1138US5353471AApparatus for performing work on a floor surfaceVORWERK CO INTERHOLDING·Filed 1992·Granted Oct 11, 1994·12 cites·5 claims
- 1235US4416034AFront-suction arrangement on a vacuum cleanerVORWERK CO INTERHOLDING·Filed 1981·Granted Nov 22, 1983·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →