Inventor · disambiguated record
Hans-Joachim Schaefer
Also filed as: SCHAEFER HANS · SCHAEFER HANS-JOACHIM
4 granted patents·209 citations·filing 1977–1980
81Inventor score
Top patents by PatentIndex Score
4 records- 0193US4114295AConvertible sports shoeSCHAEFER HANS JOACHIM·Filed 1977·Granted Sep 19, 1978·84 cites·18 claims
- 0274US4370830ASliding windowDYNAMIT NOBEL AG·Filed 1980·Granted Feb 1, 1983·34 cites·35 claims
- 0370US4333249AConvertible sports deviceSCHAEFER HANS JOACHIM·Filed 1980·Granted Jun 8, 1982·72 cites·51 claims
- 0454US4215471AFruit knifeSCHAEFER HANS JOACHIM·Filed 1978·Granted Aug 5, 1980·19 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →