Inventor · disambiguated record
Robert G. Schumacher, Ii
Also filed as: SCHUMACHER II ROBERT G · SCHUMACHER JR ROBERT G · SCHUMACHER ROBERT G
6 granted patents·473 citations·filing 1987–2006
87Inventor score
Top patents by PatentIndex Score
6 records- 0195US6446049B1Method and apparatus for transmitting a digital information signal and vending system incorporating samePOLE ZERO CORP·Filed 1998·Granted Sep 3, 2002·217 cites·37 claims
- 0286US5615227ATransmitting spread spectrum data with commercial radioPOLE ZERO CORP·Filed 1994·Granted Mar 25, 1997·85 cites·82 claims
- 0385US5891334AFilter cartridge retaining assemblyPLYMOUTH PRODUCTS INC·Filed 1997·Granted Apr 6, 1999·76 cites·1 claims
- 0478US4731183AFilter with valve-in-head constructionAMETEK INC·Filed 1987·Granted Mar 15, 1988·46 cites·5 claims
- 0575US5510031AFaucet assembly with replaceable filterAMETEK INC·Filed 1994·Granted Apr 23, 1996·49 cites·9 claims
- 0635US7804377B2Apparatus and method for producing an SBPSK-type modulated signal using piecewise linear phase transition shapingMNEMONICS INC·Filed 2006·Granted Sep 28, 2010·0 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Robert G. Schumacher, Ii 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 →