Inventor · disambiguated record
Robert E. Yapp
Also filed as: YAPP ROBERT · YAPP ROBERT E · YAPP ROBERT ERNEST
4 granted patents·17 citations·filing 1976–1984
69Inventor score
Top patents by PatentIndex Score
4 records- 0150US4445394AControl lever arrangementsMASSEY FERGUSON SERVICES NV·Filed 1981·Granted May 1, 1984·11 cites·2 claims
- 0231US4492080ATractor hydraulic control systemsMASSEY FERGUSON SERVICES NV·Filed 1984·Granted Jan 8, 1985·3 cites·7 claims
- 0329US4069889ASteering systemsMASSEY FERGUSON SERVICES NV·Filed 1976·Granted Jan 24, 1978·2 cites·3 claims
- 0428US4207436AConstant percent break type dial pulse correctorGTE AUTOMATIC ELECTRIC LAB INC·Filed 1978·Granted Jun 10, 1980·1 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →