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WORCESTER CONTROLS CORPORATION
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WEST BOYLSTON, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Top entry ball valves with cam adjustable seats
Patent number
5,117,858
Issue date
Jun 2, 1992
Worcester Controls Corporation
Robert H. Osthues
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Ball valve having improved inherent rangeability
Patent number
5,074,522
Issue date
Dec 24, 1991
Worcester Controls Corporation
David C. Reynolds
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Eccentric ball valve
Patent number
4,936,547
Issue date
Jun 26, 1990
Worcester Controls Corporation
Richard G. Obst
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for fabricating graphite filled sintered metal seats for bal...
Patent number
4,531,273
Issue date
Jul 30, 1985
Worcester Controls Corporation
Richard T. Smith
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for generating reciprocatory motion
Patent number
4,487,111
Issue date
Dec 11, 1984
Worcester Controls Corporation
Brian E. Prince
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Electronic controller for valve actuators
Patent number
4,417,312
Issue date
Nov 22, 1983
Worcester Controls Corporation
Gerald F. Cronin
G05 - CONTROLLING REGULATING
Information
Patent Grant
Self-relieving seat and ball valve incorporating the same
Patent number
4,385,747
Issue date
May 31, 1983
Worcester Controls Corporation
Paul Renaud
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of fabricating sintered metal/polymer impregnated ball valve...
Patent number
4,377,892
Issue date
Mar 29, 1983
Worcester Controls Corp.
Ricardo Gonzalez
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lockable end plug for valve housings
Patent number
4,280,526
Issue date
Jul 28, 1981
Worcester Controls Corp.
Ricardo Gonzalez
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cantilever beam positioner for valve actuators
Patent number
4,206,686
Issue date
Jun 10, 1980
Worcester Controls Corporation
Ricardo Gonzalez
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73679667 - SLIMSEAL
Serial number
73679667
Registration number
1483222
Filing date
Aug 20, 1987
WORCESTER CONTROLS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73587502 - HIGH-PER MIZER
Serial number
73587502
Registration number
1415577
Filing date
Mar 11, 1986
Worcester Controls Corporation
6 - Common metals and their alloys
Information
Trademark
73587504 - HIGH-PER FILL
Serial number
73587504
Registration number
1412346
Filing date
Mar 11, 1986
Worcester Controls Corporation
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73395352 - CLEANSEAL
Serial number
73395352
Registration number
1265658
Filing date
Sep 30, 1982
Worcester Controls Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73395353 - SLIMSEAL
Serial number
73395353
Registration number
1271260
Filing date
Sep 30, 1982
Worcester Controls Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73354818 - POLYFILL
Serial number
73354818
Registration number
1250355
Filing date
Mar 15, 1982
WORCESTER CONTROLS CORPORATION
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73351743 - PETROL-MIZER
Serial number
73351743
Registration number
1249576
Filing date
Feb 24, 1982
Worcester Controls Corporation
6 - Common metals and their alloys
Information
Trademark
73312129 - GYRO-VANE
Serial number
73312129
Registration number
1193095
Filing date
May 26, 1981
Worcester Controls Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73280987 - THERMAL FLUID MIZER
Serial number
73280987
Registration number
1189107
Filing date
Oct 8, 1980
Worcester Controls Corporation
6 - Common metals and their alloys
Information
Trademark
73269684 - ENERGY MIZER
Serial number
73269684
Registration number
1185420
Filing date
Jul 10, 1980
Worcester Controls Corporation
6 - Common metals and their alloys
Information
Trademark
72270833 - DISC-O-SEAL
Serial number
72270833
Registration number
858177
Filing date
May 5, 1967
WORCESTER CONTROLS CORP.
6 - Common metals and their alloys