Inventor · disambiguated record
Stefan Fietkau
Also filed as: FIETKAU STEFAN
9 granted patents·124 citations·filing 1994–2003
88Inventor score
Top patents by PatentIndex Score
9 records- 0167US6059706AMethod of and apparatus for treating a filter towHAUNI MASCHINENBAU AG·Filed 1998·Granted May 9, 2000·44 cites·25 claims
- 0261US7140164B2Method of and apparatus for applying adhesive to running webs of paper and the likeHAUNI MASCHINENBAU AG·Filed 2001·Granted Nov 28, 2006·6 cites·14 claims
- 0361US5590449AApparatus for stretching plasticizing and gathering a tow of filter material for tobacco smokeHAUNI MASCHINENBAU AG·Filed 1994·Granted Jan 7, 1997·33 cites·35 claims
- 0448US6263882B1Method of and apparatus for making filter mouthpieces for rod-shaped articles of the tobacco processing industryHAUNI MASCHINENBAU AG·Filed 1999·Granted Jul 24, 2001·16 cites·26 claims
- 0542US5725467AMethod of and apparatus for making a tow of filter material for tobacco smokeHAUNI MASCHINENBAU AG·Filed 1995·Granted Mar 10, 1998·12 cites·17 claims
- 0637US7308735B2Roller pair for stretching strips of filter materialINTERNAT TOBACCO MACHINERY B V·Filed 2003·Granted Dec 18, 2007·0 cites·10 claims
- 0733US5738115AMethod of and apparatus for decontaminating the exposed surfaces of filter mouthpieces in smokers productsHAUNI MASCHINENBAU AG·Filed 1996·Granted Apr 14, 1998·4 cites·7 claims
- 0831US5901709AMethod of and apparatus for processing exhausted air in tobacco processing plantsHAUNI MASCHINENBAU AG·Filed 1997·Granted May 11, 1999·6 cites·19 claims
- 0931US5645087AMethod of and apparatus for decontaminating the exposed surfaces of filter mouthpieces in smokers' productsHAUNI MASCHINENBAU AG·Filed 1996·Granted Jul 8, 1997·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →