Assignee
HEDLUND MFG
US·8 granted patents·142 citations·filing 1975–1989
Top patents by PatentIndex Score
8 records- 0174US4362272AManure spreader with multiple side augerHEDLUND MFG·Filed 1980·Granted Dec 7, 1982·33 cites·42 claims
- 0271US4473184AManure spreaderHEDLUND MFG·Filed 1983·Granted Sep 25, 1984·35 cites·7 claims
- 0362US4467967AManure spreadersHEDLUND MFG·Filed 1981·Granted Aug 28, 1984·25 cites·8 claims
- 0445US5085372AManure spreadersHEDLUND MFG·Filed 1989·Granted Feb 4, 1992·13 cites·7 claims
- 0545US4479608AManure spreaderHEDLUND MFG·Filed 1983·Granted Oct 30, 1984·11 cites·36 claims
- 0644US4993632AManure spreadersHEDLUND MFG·Filed 1981·Granted Feb 19, 1991·10 cites·20 claims
- 0741US4438885AManure loaderHEDLUND MFG·Filed 1982·Granted Mar 27, 1984·7 cites·16 claims
- 0831US3981635AMaterial handling systemHEDLUND MFG·Filed 1975·Granted Sep 21, 1976·8 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when HEDLUND MFG files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →