Inventor · disambiguated record
Alfred D. Carlson
Also filed as: CARLSON ALFRED D · HERPERS FERDINAND J
5 granted patents·246 citations·filing 1978–1982
85Inventor score
Technology areasA47L
Top patents by PatentIndex Score
5 records- 0195USD273621SCombination sweeper-scrubber floor machineTENNANT CO·Filed 1982·Granted Apr 24, 1984·60 cites·1 claims
- 0287US4377017AScrubbing machine with water regenerationTENNANT CO·Filed 1979·Granted Mar 22, 1983·57 cites·5 claims
- 0383US4457036ADebris collecting mechanismTENNANT CO·Filed 1982·Granted Jul 3, 1984·50 cites·32 claims
- 0481US4194263AScrubbing machine with water regenerationTENNANT·Filed 1978·Granted Mar 25, 1980·47 cites·20 claims
- 0571US4295244AScrubbing machine with water regenerationTENNANT CO·Filed 1979·Granted Oct 20, 1981·32 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Alfred D. Carlson 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 →