Inventor
WERONKE ROBERT B
US14 patents
Patents
14 patentsUS5791950AAug 11, 1998
Twin propeller marine propulsion unit
BRUNSWICK CORP19 citations92
US6478543B1Nov 12, 2002
Torque transmitting device for mounting a propeller to a propeller shaft of a marine propulsion system
BRUNSWICK CORP41 citations91
US6146223ANov 14, 2000
Marine propulsion unit with water inlets in all quadrants of the front portion of its torpedo-shape gearcase
BRUNSWICK CORP45 citations91
US5366398ANov 22, 1994
Marine dual propeller lower bore drive assembly
BRUNSWICK CORP36 citations91
US5249995AOct 5, 1993
Marine drive having two counter-rotating surfacing propellers and dual propeller shaft assembly
BRUNSWICK CORP42 citations91
US5230644AJul 27, 1993
Counter-rotating surfacing marine drive
BRUNSWICK CORP38 citations91
US5902160AMay 11, 1999
Twin propeller marine propulsion unit
BRUNSWICK CORP14 citations81
US7297036B1Nov 20, 2007
Clutch retention system for a marine propulsion device
BRUNSWICK CORP14 citations80
US6068529AMay 30, 2000
Marine propulsion unit with dual water inlet structure
BRUNSWICK CORP7 citations73
US4289488ASep 15, 1981
Stern drive gimbal arrangement
BRUNSWICK CORP19 citations73
US5890938AApr 6, 1999
Marine counter-rotational propulsion system
BRUNSWICK CORP14 citations72
US5462463AOct 31, 1995
Marine dual propeller lower bore drive assembly
BRUNSWICK CORP11 citations72
US7188543B1Mar 13, 2007
Gear and bearing mechanism for improved ease of assembly within a gearcase
BRUNSWICK CORP9 citations71
US4342634AAug 3, 1982
Continuity spring for a hydraulic cylinder
BRUNSWICK CORP4 citations58