Inventor · disambiguated record
Sigurd Schwanenberg
Also filed as: SCHWANENBERG SIGURD
3 granted patents·163 citations·filing 1996–1997
77Inventor score
Technology areasB65D
Top patents by PatentIndex Score
3 records- 0179US6367668B1Self-closing closure and closure membrane relating to sameCROWN CORK & SEAL TECH CORP·Filed 1997·Granted Apr 9, 2002·66 cites·47 claims
- 0279US6095381ASelf-closing seal with a sealing membraneZELLER PLASTIK KOEHN GRAEBNER·Filed 1996·Granted Aug 1, 2000·69 cites·24 claims
- 0355US6213355B1Closure membrane and closure employing sameZELLER PLASTIK KOEHN GRAEBNER·Filed 1997·Granted Apr 10, 2001·28 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →