Inventor · disambiguated record

Rolf Zierdt

Also filed as: ZIERDT ROLF

2 granted patents·18 citations·filing 1991–1997

57Inventor score

Technology areasB65B B65G

Files withTETRA LAVAL HOLDINGS & FINANCE1 TETRA PAK HOLDINGS SA1

Top patents by PatentIndex Score

2 records

0151US6199347B1Device for sealing lids onto packagesTETRA LAVAL HOLDINGS & FINANCE·Filed 1997·Granted Mar 13, 2001·15 cites·23 claims
0220US5172801ADevice for twisting workpieces, particularly for turning casingsTETRA PAK HOLDINGS SA·Filed 1991·Granted Dec 22, 1992·3 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →