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BIRD JOHNSON CO

Overview
  • Total Patents
    30
About

BIRD JOHNSON CO has a total of 30 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Australia and United Kingdom. Its main competitors in its focus markets transport, packaging and shipping and computer technology are TURNING POINT PROPELLERS INC, GILL PROPELLER COMPANY LTD and MAX PROP S R L.

Patent filings in countries

World map showing BIRD JOHNSON COs patent filings in countries

Patent filings per year

Chart showing BIRD JOHNSON COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lanni Francesco 10
#2 Demers Pierre P 7
#3 Platzer Gregory P 6
#4 Brown Neal A 4
#5 Esthimer William F 3
#6 Cavallaro Joseph L 2
#7 Olson Stephen C 2
#8 Sawizky Paul A 1
#9 Richards Jr Arthur J 1
#10 Morin Edward H 1

Latest patents

Publication Filing date Title
US6238257B1 Surface vessel with a waterjet propulsion system
US6135831A Impeller for marine waterjet propulsion apparatus
US6152792A Steering and reversing apparatus for waterjet propulsion systems
US6071156A Surface vessel with a fully submerged waterjet propulsion system
US5304038A Built-up marine propeller blade balancing
US5213472A Inboard servo for marine controllable pitch propellers
US5145318A Flange-mounted controllable pitch marine propeller
US4982066A Method of rehabilitating propeller hub bodies
US4906213A Apparatus for detecting the pitch of a marine controllable pitch propeller
US4907992A Oil distribution box for a marine controllable pitch propeller
US4801243A Adjustable diameter screw propeller
US4810166A Controllable pitch marine propeller
US4872811A Inboard servo for marine controllable pitch propellers
AU8637682A Mechanical wrist
US4289222A Engine-clutch control interlock system
US4277945A Control system for equalizing the torques of multiple engines driving a common load