Assignee
WALLMAN KNUT OLOF LENNART
4 granted patents·85 citations·filing 1974–1977
Top patents by PatentIndex Score
4 records- 0175US4041593AMethod of making impellers for cross-flow fansWALLMAN KNUT OLOF LENNART·Filed 1976·Granted Aug 16, 1977·21 cites·10 claims
- 0269US3970411AImpellers for cross-flow fansWALLMAN KNUT OLOF LENNART·Filed 1974·Granted Jul 20, 1976·22 cites·12 claims
- 0364US4120084AMethod of making improved lug and hole connection between sheet metal elementsWALLMAN KNUT OLOF LENNART·Filed 1977·Granted Oct 17, 1978·26 cites·5 claims
- 0452US3977062AMethod of assembling blower rotorsWALLMAN KNUT OLOF LENNART·Filed 1975·Granted Aug 31, 1976·16 cites·4 claims
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