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BIRD-JOHNSON COMPANY
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WALPOLE, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Surface vessel with a waterjet propulsion system
Patent number
6,238,257
Issue date
May 29, 2001
Bird-Johnson Company
Gregory P. Platzer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Steering and reversing apparatus for waterjet propulsion systems
Patent number
6,152,792
Issue date
Nov 28, 2000
Bird-Johnson Company
Francesco Lanni
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Impeller for marine waterjet propulsion apparatus
Patent number
6,135,831
Issue date
Oct 24, 2000
Bird-Johnson Company
Francesco Lanni
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Surface vessel with a fully submerged waterjet propulsion system
Patent number
6,071,156
Issue date
Jun 6, 2000
Bird-Johnson Company
Gregory P. Platzer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Built-up marine propeller blade balancing
Patent number
5,304,038
Issue date
Apr 19, 1994
Bird-Johnson Company
Peter J. MacMurray
G01 - MEASURING TESTING
Information
Patent Grant
Inboard servo for marine controllable pitch propellers
Patent number
5,213,472
Issue date
May 25, 1993
Bird-Johnson Company
Mark S. Dumais
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Flange-mounted controllable pitch marine propeller
Patent number
5,145,318
Issue date
Sep 8, 1992
Bird-Johnson Company
Stephen C. Olson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Method of rehabilitating propeller hub bodies
Patent number
4,982,066
Issue date
Jan 1, 1991
Bird-Johnson Company
Seabury B. Waring
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Oil distribution box for a marine controllable pitch propeller
Patent number
4,907,992
Issue date
Mar 13, 1990
Bird-Johnson Company
Joseph L. Cavallaro
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Apparatus for detecting the pitch of a marine controllable pitch pr...
Patent number
4,906,213
Issue date
Mar 6, 1990
Bird-Johnson Company
William F. Esthimer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Inboard servo for marine controllable pitch propellers
Patent number
4,872,811
Issue date
Oct 10, 1989
Bird-Johnson Company
Joseph L. Cavallaro
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Controllable pitch marine propeller
Patent number
4,810,166
Issue date
Mar 7, 1989
Bird-Johnson Company
Paul A. Sawizky
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Adjustable diameter screw propeller
Patent number
4,801,243
Issue date
Jan 31, 1989
Bird-Johnson Company
John A. Norton
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Engine-clutch control interlock system
Patent number
4,289,222
Issue date
Sep 15, 1981
Bird-Johnson Company
William F. Esthimer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Control system for equalizing the torques of multiple engines drivi...
Patent number
4,277,945
Issue date
Jul 14, 1981
Bird-Johnson Company
William F. Esthimer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75682640 - SPPM
Serial number
75682640
Filing date
Apr 14, 1999
Bird-Johnson Company
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
75677754 - AWJ
Serial number
75677754
Filing date
Apr 8, 1999
Bird-Johnson Company
7 - Machines and machine tools
Information
Trademark
75230594 - PDI
Serial number
75230594
Registration number
2156455
Filing date
Jan 21, 1997
Bird-Johnson Company
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74662765 - NEW GENERATION WORKWHEEL
Serial number
74662765
Registration number
2002460
Filing date
Apr 18, 1995
Bird-Johnson Company
12 - Vehicles
Information
Trademark
73333554 - HYD-RO-WRIST
Serial number
73333554
Registration number
1222387
Filing date
Oct 21, 1981
Bird-Johnson Company
7 - Machines and machine tools