Individual holder
JANZEN HARLO W
4 granted patents·92 citations·filing 1977–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0187US4190211AReel mounting apparatusJANZEN HARLO W·Filed 1978·Granted Feb 26, 1980·35 cites·13 claims
- 0265US4415005APipe thread protector deviceJANZEN HARLO W·Filed 1981·Granted Nov 15, 1983·35 cites·9 claims
- 0363US4106714AWire reeling apparatusJANZEN HARLO W·Filed 1977·Granted Aug 15, 1978·13 cites·27 claims
- 0443US4398566APipe thread protector apparatusJANZEN HARLO W·Filed 1981·Granted Aug 16, 1983·9 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →