Inventor · disambiguated record

Walter Zweifel

Also filed as: WEBER HERMANN · ZWEIFEL WALTER

2 granted patents·12 citations·filing 1975–1979

54Inventor score

Technology areasC25D

Files withALUSUISSE2

Top patents by PatentIndex Score

2 records

0159US4235682ASealing solution and process to prevent deposits forming during the sealing of anodized aluminum surfacesALUSUISSE·Filed 1979·Granted Nov 25, 1980·11 cites·6 claims
0224US3963591AMethod of coloring of anodized aluminum and aluminum alloys by electrolytic treatment in the metal salt solutionsALUSUISSE·Filed 1975·Granted Jun 15, 1976·1 cites·10 claims

Join the waitlist — get patent alerts

Get an alert when Walter Zweifel files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

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