Inventor · disambiguated record
Robert E. Spenk
Also filed as: SPENK ROBERT · SPENK ROBERT E
2 granted patents·1 pending application·29 citations·filing 1986–2017
61Inventor score
Top patents by PatentIndex Score
3 records- 0164US4955304ARemote locomotive spotter controlGEN MOTORS CORP·Filed 1989·Granted Sep 11, 1990·16 cites·16 claims
- 0256US4660895ARailway locomotive brake control systemGEN MOTORS CORP·Filed 1986·Granted Apr 28, 1987·13 cites·7 claims
- 0334US2018281821A1Automatic power saver for a locomotive batteryPROGRESS RAIL LOCOMOTIVE INC·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Robert E. Spenk 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 →