Inventor · disambiguated record

Franz Lengsfeld

Also filed as: LENGSFELD FRANZ

1 granted patent·13 citations·filing 1980–1980

34Inventor score

Technology areasF16K

Files withRAPPOLD & CO GMBH HERMANN1

Top patents by PatentIndex Score

1 record

0142US4296776AGate valve for use in large size conduitsRAPPOLD & CO GMBH HERMANN·Filed 1980·Granted Oct 27, 1981·13 cites·10 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →