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BIRD MACHINE COMPANY, INC
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SOUTH WALPOLE, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Conveyorless clarifier
Patent number
5,067,939
Issue date
Nov 26, 1991
Bird Machine Company
Ascher H. Shapiro
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Bowl head assembly
Patent number
5,024,649
Issue date
Jun 18, 1991
Bird Machine Company
Clement V. Smith
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Screen bowl centrifuge
Patent number
4,983,289
Issue date
Jan 8, 1991
Bird Machine Company, Inc.
Salomon M. Salomon
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Process for making tissue-absorbent particle laminates
Patent number
4,851,069
Issue date
Jul 25, 1989
Bird Machine Company, Inc.
Thomas D. Packard
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Apparatus for compressively treating travel flexible sheet material
Patent number
4,717,329
Issue date
Jan 5, 1988
Bird Machine Company, Inc.
Thomas D. Packard
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Hydrocyclone separator apparatus
Patent number
4,605,495
Issue date
Aug 12, 1986
Bird Machine Company, Inc.
Peter J. Flynn
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for removal by flotation of solid particles from liquid
Patent number
4,512,888
Issue date
Apr 23, 1985
Bird Machine Company, Inc.
Peter J. Flynn
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Centrifugal separator
Patent number
4,464,162
Issue date
Aug 7, 1984
Bird Machine Company, Inc.
John R. Cummings
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Solids-liquid slurry separating centrifuge
Patent number
4,381,849
Issue date
May 3, 1983
Bird Machine Company, Inc.
Lawrence D. Conant
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Centrifuges
Patent number
4,334,647
Issue date
Jun 15, 1982
Bird Machine Company, Inc.
Edward S. Taylor
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Centrifuge bowl end attachment flanges
Patent number
4,323,190
Issue date
Apr 6, 1982
Bird Machine Company, Inc.
Norman F. Bessette
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Screening apparatus
Patent number
4,318,805
Issue date
Mar 9, 1982
Bird Machine Company, Inc.
Peter E. LeBlanc
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Solids liquid separating centrifuge with solids classification
Patent number
4,190,194
Issue date
Feb 26, 1980
Bird Machine Company, Inc.
Clifford L. Amero
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Material treating apparatus
Patent number
4,090,385
Issue date
May 23, 1978
Bird Machine Company, Inc.
Thomas D. Packard
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Spray cooling system
Patent number
4,085,171
Issue date
Apr 18, 1978
Bird Machine Company, Inc.
Donald B. Baker
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Centrifuge with chatter suppression
Patent number
4,069,967
Issue date
Jan 24, 1978
Bird Machine Company, Inc.
Herbert L. Crosby
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Centrifuge with torsional vibration sensing and signaling
Patent number
4,070,290
Issue date
Jan 24, 1978
Bird Machine Company, Inc.
Herbert L. Crosby
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Centrifuge with chatter suppression
Patent number
4,069,966
Issue date
Jan 24, 1978
Bird Machine Company, Inc.
Herbert L. Crosby
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Method of making centrifuge conveyor
Patent number
4,003,115
Issue date
Jan 18, 1977
Bird Machine Company, Inc.
William F. Fisher
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Hard-surfaced screw conveyor for centrifuges
Patent number
3,977,515
Issue date
Aug 31, 1976
Bird Machine Company, Inc.
Elwin J. Lewoczko
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Filter
Patent number
3,966,610
Issue date
Jun 29, 1976
Bird Machine Company, Inc.
Orville J. Gibbs
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter
Patent number
3,966,611
Issue date
Jun 29, 1976
Bird Machine Company, Inc.
Orville J. Gibbs
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Components for wear-resistant surfacing helical metal conveyor blad...
Patent number
3,937,317
Issue date
Feb 10, 1976
Bird Machine Company, Inc.
Leo W. Fleury
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73497329 - CENTRIFILTER
Serial number
73497329
Registration number
1342064
Filing date
Aug 31, 1984
Bird Machine Company, Inc.
7 - Machines and machine tools
Information
Trademark
73475807 - CORECLEAN
Serial number
73475807
Registration number
1345627
Filing date
Apr 16, 1984
Bird Machine Company, Inc.
7 - Machines and machine tools
Information
Trademark
73475439 - AXIGUARD
Serial number
73475439
Registration number
1321799
Filing date
Apr 16, 1984
Bird Machine Company, Inc.
7 - Machines and machine tools
Information
Trademark
73360468 - BIFLEX
Serial number
73360468
Registration number
1254342
Filing date
Apr 19, 1982
Bird Machine Company, Inc.
7 - Machines and machine tools
Information
Trademark
73308947 - PULSAIR
Serial number
73308947
Registration number
1216410
Filing date
May 6, 1981
Bird Machine Company, Inc.
7 - Machines and machine tools
Information
Trademark
73307050 - BIRD
Serial number
73307050
Registration number
1218892
Filing date
Apr 23, 1981
Bird Machine Company, Inc.
7 - Machines and machine tools
Information
Trademark
73220626 - MONOCEL
Serial number
73220626
Registration number
1142024
Filing date
Jun 21, 1979
Bird Machine Company, Inc.
7 - Machines and machine tools
Information
Trademark
73208764 - VORTEX CLARIFIER
Serial number
73208764
Registration number
1154555
Filing date
Mar 26, 1979
Bird Machine Company, Inc.
7 - Machines and machine tools
Information
Trademark
73013970 - MICREX
Serial number
73013970
Registration number
1025915
Filing date
Feb 21, 1974
BIRD MACHINE COMPANY, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73008272 - BARRIER SCREEN
Serial number
73008272
Registration number
994989
Filing date
Dec 7, 1973
BIRD MACHINE COMPANY, INC.
7 - Machines and machine tools
Information
Trademark
72457845 - ELUTRICONE
Serial number
72457845
Registration number
990810
Filing date
May 17, 1973
BIRD MACHINE COMPANY, INC.
7 - Machines and machine tools
Information
Trademark
72314177 - TRICLEAN
Serial number
72314177
Registration number
882801
Filing date
Dec 11, 1968
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
72291706 - FIBERMIZER
Serial number
72291706
Registration number
866806
Filing date
Feb 23, 1968
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
72260721 - INSTAMATIC
Serial number
72260721
Registration number
848861
Filing date
Dec 14, 1966
BIRD MACHINE COMPANY
6 - Common metals and their alloys
Information
Trademark
72214237 - CENTRISORTER
Serial number
72214237
Registration number
818228
Filing date
Mar 16, 1965
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
72168793 - AQUA-PURGE
Serial number
72168793
Registration number
766594
Filing date
May 10, 1963
BIRD MACHINE COMPANY
6 - Common metals and their alloys
Information
Trademark
72131933 - AQUA-STATIC
Serial number
72131933
Registration number
743355
Filing date
Nov 14, 1961
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
72064867 - CENTRISCREEN
Serial number
72064867
Registration number
686244
Filing date
Dec 24, 1958
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
72045781 - CYCLEAN
Serial number
72045781
Registration number
669570
Filing date
Feb 13, 1958
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
72029992 - CENTRIFFLER
Serial number
72029992
Registration number
656110
Filing date
May 14, 1957
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
71649754 - HI-ANGLE
Serial number
71649754
Registration number
588773
Filing date
Jun 23, 1953
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
71368122 - HI-FLEX
Serial number
71368122
Registration number
331066
Filing date
Aug 9, 1935
BIRD MACHINE COMPANY
7 - Machines and machine tools
Information
Trademark
71295291 - CENTRIFINER
Serial number
71295291
Registration number
271704
Filing date
Jan 28, 1930
BIRD MACHINE COMPANY
7 - Machines and machine tools