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TECH DEV INC

Overview
  • Total Patents
    25
About

TECH DEV INC has a total of 25 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, machines and environmental technology are CHARTER DRIVE INC, VINCENT BENDIX and ECLIPSE MACHINE CO.

Patent filings per year

Chart showing TECH DEV INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Coons Terry L 9
#2 Linsker Eugene 5
#3 Birkhimer John M 5
#4 Eckard David W 4
#5 Coons Terry Leonard 4
#6 Flatt Joseph 3
#7 Lopiccolo Robert C 2
#8 Stein Robert A 1
#9 Becker Robert J 1

Latest patents

Publication Filing date Title
US2004173038A1 Inertia drive torque transmission level control and engine starter incorporating same
US5267539A Electro-pneumatic engine starter
US4960085A Pneumatic and electro-pneumatic starters
US4830571A Pneumatic starters
US4494499A System and apparatus providing a two step starting cycle for diesel engines using a pneumatic starter
US4507047A Hoop turbine
US4518310A Apparatus for preventing overspeed of a turbine drive means
US4509896A Turbine rotor
US4008983A Tip turbine inflating device with motor-actuated closure at inlet
US3904324A Tip turbine inflating device
US3616616A Particle separator especially for use in connection with jet engines