Inventor · disambiguated record
Rolf Dahlgrun
Also filed as: DAHLGRUEN ROLF · DAHLGRUN ROLF · WAHLE GUNTER
11 granted patents·360 citations·filing 1975–1999
92Inventor score
Top patents by PatentIndex Score
11 records- 0194US4280187AMethod and apparatus for pinpointing the causes of malfunction of machines for the manufacture and/or processing of cigarettes or the likeHAUNI WERKE KOERBER & CO KG·Filed 1979·Granted Jul 21, 1981·182 cites·17 claims
- 0281US4193409AMethod and apparatus for regulating the permeability of wrapping material for rod-shaped smokers' productsHAUNI WERKE KOERBER & CO KG·Filed 1977·Granted Mar 18, 1980·42 cites·23 claims
- 0367US4282889AMethod and apparatus for influencing the permeability of wrappers of filter cigarettes or the likeHAUNI WERKE KOERBER & CO KG·Filed 1979·Granted Aug 11, 1981·20 cites·26 claims
- 0463US4009722AMethod and machine for making cigarettes with composite fillersHAUNI WERKE KOERBER & CO KG·Filed 1975·Granted Mar 1, 1977·20 cites·18 claims
- 0558US4177670AMethod and apparatus for multiple testing of wrappers of cigarettes for porosityHAUNI WERKE KOERBER & CO KG·Filed 1978·Granted Dec 11, 1979·14 cites·45 claims
- 0654US4403619AMethod and apparatus for influencing the permeability of wrappers of filter cigarettes or the likeHAUNI WERKE KOERBER & CO KG·Filed 1981·Granted Sep 13, 1983·14 cites·24 claims
- 0754US4154090AProcess and apparatus for multiple testing of wrappers of cigarettes or the likeHAUNI WERKE KOERBER & CO KG·Filed 1977·Granted May 15, 1979·13 cites·32 claims
- 0852US4287754AApparatus for and method of multiple testing of wrappers of cigarettes or the likeHAUNI WERKE KOERBER & CO KG·Filed 1980·Granted Sep 8, 1981·14 cites·22 claims
- 0951US6247577B1Apparatus for changing the direction of transport of oval cigarettesDECOUFLE SARL·Filed 1999·Granted Jun 19, 2001·14 cites·19 claims
- 1046US5632285AApparatus for making filter tipped smokers' products having a non-circular cross-sectional outlineDECOUFLE SARL·Filed 1996·Granted May 27, 1997·15 cites·9 claims
- 1142US5322157AApparatus for transferring and changing the direction of transport of rod-shaped articlesDECOUFLE SARL·Filed 1993·Granted Jun 21, 1994·12 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →