Inventor · disambiguated record
Walter K. Kropf
Also filed as: KROPF WALTER K
3 granted patents·100 citations·filing 1984–1995
73Inventor score
Top patents by PatentIndex Score
3 records- 0171US5135063APower unit for driving manually-operated wheelchairSMUCKER MANUFACTURING INC·Filed 1990·Granted Aug 4, 1992·76 cites·9 claims
- 0250US5735459AMethod for forming and applying biological control systemSMUCKER MANUFACTURING INC·Filed 1995·Granted Apr 7, 1998·9 cites·17 claims
- 0347US4597219AVacuum/gravity feed contact herbicide applicatorSMUCKER LEE A·Filed 1984·Granted Jul 1, 1986·15 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Walter K. Kropf 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 →