Assignee
PROTOL AG
CH·8 granted patents·83 citations·filing 1993–2001
Top patents by PatentIndex Score
8 records- 0185US5720095AMethod and apparatus for producing helically wound lock-seam tubingPROTOL AG·Filed 1996·Granted Feb 24, 1998·24 cites·18 claims
- 0274US6561228B1Helically wound lock seam tubePROTOL AG·Filed 2000·Granted May 13, 2003·12 cites·8 claims
- 0363US6513553B2Helically wound lock-seam tubePROTOL AG·Filed 2001·Granted Feb 4, 2003·6 cites·8 claims
- 0456USD376193SHelically wound lock-seam tubePROTOL AG·Filed 1995·Granted Dec 3, 1996·9 cites·1 claims
- 0554US6085801AHelically wound lock-seam tubePROTOL AG·Filed 1998·Granted Jul 11, 2000·10 cites·11 claims
- 0648US6003220AMethod and apparatus for producing helically wound lock-seam tubingPROTOL AG·Filed 1997·Granted Dec 21, 1999·8 cites·8 claims
- 0735USD379358SClinching rollerPROTOL AG·Filed 1995·Granted May 20, 1997·2 cites·1 claims
- 0833US5737832AIn and relating to machines for forming helically wound lock-seam tubing having multiple wall thicknessPROTOL AG·Filed 1993·Granted Apr 14, 1998·12 cites·7 claims
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