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Cleveland, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Personnel TL dosimetry method and apparatus for determination of ri...
Patent number
5,065,031
Issue date
Nov 12, 1991
The Harshaw Chemical Company
Marko Moscovitch
G01 - MEASURING TESTING
Information
Patent Grant
Thermoluminescent dosimeter with improved card holder
Patent number
4,975,589
Issue date
Dec 4, 1990
The Harshaw Chemical Company
James D. Chamberlain
G01 - MEASURING TESTING
Information
Patent Grant
Process control system and method
Patent number
4,825,077
Issue date
Apr 25, 1989
The Harshaw Chemical Company
Riad A. Tawil
G01 - MEASURING TESTING
Information
Patent Grant
Metal finishing barrel apparatus
Patent number
4,422,774
Issue date
Dec 27, 1983
The Harshaw Chemical Company
Frank Little
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Load manipulating apparatus
Patent number
4,422,817
Issue date
Dec 27, 1983
The Harshaw Chemical Company
Frank Little
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Hot press-forging of an optical body with dynamic constraint by cry...
Patent number
4,410,468
Issue date
Oct 18, 1983
The Harshaw Chemical Company
Herbert Packer
C30 - CRYSTAL GROWTH
Information
Patent Grant
Blush-free acid zinc electroplating baths and process
Patent number
4,405,413
Issue date
Sep 20, 1983
The Harshaw Chemical Company
Carol W. Skimin
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Metal finishing barrel
Patent number
4,401,542
Issue date
Aug 30, 1983
The Harshaw Chemical Company
Frank P. Zamiska
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Colloidal aqueous dispersion of an alkali metal polyantimonate and...
Patent number
4,360,450
Issue date
Nov 23, 1982
The Harshaw Chemical Company
Destin A. LeBlanc
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Self-unloading centrifuge
Patent number
4,360,431
Issue date
Nov 23, 1982
The Harshaw Chemical Company
Frank Little
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Geiger-Mueller tube with tungsten liner
Patent number
4,359,661
Issue date
Nov 16, 1982
The Harshaw Chemical Company
Nicolas Mitrofanov
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Geiger-Mueller tube with nickel copper alloy cathode
Patent number
4,354,135
Issue date
Oct 12, 1982
The Harshaw Chemical Company
Nicholas Mitrofanov
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of preparing antimony pentoxide, colloids thereof and their...
Patent number
4,351,741
Issue date
Sep 28, 1982
The Harshaw Chemical Company
John W. Vogt
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Getter for melt-grown scintillator ingot
Patent number
4,341,654
Issue date
Jul 27, 1982
The Harshaw Chemical Company
Carl F. Swinehart
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of preparing colloidal sol of pentavalent antimony
Patent number
4,341,655
Issue date
Jul 27, 1982
The Harshaw Chemical Company
John G. Richardson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Flame retardant with improved durability comprising an alkali metal...
Patent number
4,307,148
Issue date
Dec 22, 1981
The Harshaw Chemical Company
Destin A. LeBlanc
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Plating barrel contact
Patent number
4,305,804
Issue date
Dec 15, 1981
Harshaw Chemical Company
Norman B. Tipton
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Getter for melt-grown scintillator ingot and method for growing the...
Patent number
4,277,303
Issue date
Jul 7, 1981
The Harshaw Chemical Company
Carl F. Swinehart
C30 - CRYSTAL GROWTH
Information
Patent Grant
Copper plating process for printed circuit boards
Patent number
4,242,181
Issue date
Dec 30, 1980
The Harshaw Chemical Company
Thomas P. Malak
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Two-step preplate system for polymeric surfaces
Patent number
4,234,628
Issue date
Nov 18, 1980
The Harshaw Chemical Company
Arthur H. DuRose
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Multiple plate filter apparatus
Patent number
4,221,663
Issue date
Sep 9, 1980
The Harshaw Chemical Company
Frank Little
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hair grooming aid containing fibrillatable polytetrafluoroethylene...
Patent number
4,184,973
Issue date
Jan 22, 1980
The Harshaw Chemical Company
Glen A. Shaw
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Sodium activated cesium iodide scintillator
Patent number
RE30156
Issue date
Nov 20, 1979
The Harshaw Chemical Company
Paul C. Brinckmann
252 - Compositions
Information
Patent Grant
Shaped press-forged normally frangible inorganic crystals
Patent number
4,171,400
Issue date
Oct 16, 1979
The Harshaw Chemical Company
King H. Rosette
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of preparing salts of esters of pentavalent antimony
Patent number
4,169,104
Issue date
Sep 25, 1979
The Harshaw Chemical Company
Gerald D. Burt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sensitive silicon pin diode fast neutron dosimeter
Patent number
4,163,240
Issue date
Jul 31, 1979
The Harshaw Chemical Company
Philip R. Swinehart
G01 - MEASURING TESTING
Information
Patent Grant
Method of preparing colloidal sol of antimony oxide
Patent number
4,110,247
Issue date
Aug 29, 1978
The Harshaw Chemical Company
Reginald P. Gower
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for encapsulating water-insoluble particles
Patent number
4,110,492
Issue date
Aug 29, 1978
The Harshaw Chemical Company
Clifford C. Hayman
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Zirconate treated antimony compounds
Patent number
4,100,077
Issue date
Jul 11, 1978
The Harshaw Chemical Company
Gerald Dennis Burt
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Titanate treated antimony compounds
Patent number
4,100,076
Issue date
Jul 11, 1978
The Harshaw Chemical Company
John Slocum Ashman
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73388313 - DISCO
Serial number
73388313
Registration number
1354998
Filing date
Sep 23, 1982
Harshaw Chemical Company, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73383720 - CIRCUTRON
Serial number
73383720
Registration number
1251389
Filing date
Sep 7, 1982
Harshaw Chemical Company, The
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73370834 - HARCAT
Serial number
73370834
Registration number
1271393
Filing date
Jun 21, 1982
Harshaw Chemical Company, The
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73343227 - FGR
Serial number
73343227
Registration number
1271377
Filing date
Dec 24, 1981
Harshaw Chemical Company, The
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73303145 - TASC-12
Serial number
73303145
Registration number
1188525
Filing date
Mar 27, 1981
Harshaw Chemical Company, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73302131 - TASC-5
Serial number
73302131
Filing date
Mar 20, 1981
Harshaw Chemical Company, The
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
73297599 - DUO-DOOR
Serial number
73297599
Registration number
1207256
Filing date
Feb 17, 1981
Harshaw Chemical Company, The
20 - Furniture, mirrors, picture frames
Information
Trademark
73282730 - INSTINT
Serial number
73282730
Registration number
1199220
Filing date
Oct 20, 1980
Harshaw Chemical Company, The
2 - Paints, varnishes, lacquers
Information
Trademark
73278697 - METEOR
Serial number
73278697
Registration number
1191472
Filing date
Sep 22, 1980
Harshaw Chemical Company, The
2 - Paints, varnishes, lacquers
Information
Trademark
73271808 - HYD-PRO-CRANE
Serial number
73271808
Registration number
1196656
Filing date
Jul 25, 1980
Harshaw Chemical Company, The
7 - Machines and machine tools
Information
Trademark
73250919
Serial number
73250919
Registration number
1209374
Filing date
Feb 20, 1980
Harshaw Chemical Company, The
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73250914 - PACEMAKER
Serial number
73250914
Registration number
1163559
Filing date
Feb 20, 1980
Harshaw Chemical Company, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73250791 - DUO-FLOW
Serial number
73250791
Registration number
1164551
Filing date
Feb 19, 1980
Harshaw Chemical Company, The
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73238965 - COLOR CONCEPT
Serial number
73238965
Registration number
1207157
Filing date
Nov 13, 1979
Harshaw Chemical Company, The
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73236799 - ALPHA
Serial number
73236799
Registration number
1191002
Filing date
Oct 26, 1979
Harshaw Chemical Company, The
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73210307 - TEXCOTE
Serial number
73210307
Registration number
1140584
Filing date
Apr 4, 1979
HARSHAW CHEMICAL COMPANY, THE
2 - Paints, varnishes, lacquers
Information
Trademark
73200786 - SIGMA-2
Serial number
73200786
Registration number
1152809
Filing date
Jan 22, 1979
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73142352 - TRI-CHROME
Serial number
73142352
Registration number
1088444
Filing date
Sep 23, 1977
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73074335 - POLYSCIN
Serial number
73074335
Registration number
1051622
Filing date
Jan 15, 1976
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73067479 - ECON-ACAT
Serial number
73067479
Registration number
1044570
Filing date
Oct 30, 1975
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73059822 - SUN
Serial number
73059822
Registration number
1065591
Filing date
Aug 6, 1975
HARSHAW CHEMICAL COMPANY, THE
2 - Paints, varnishes, lacquers
Information
Trademark
73045270 - NEO-STAR
Serial number
73045270
Registration number
1033467
Filing date
Feb 26, 1975
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
72239770 - NOVA
Serial number
72239770
Registration number
819712
Filing date
Feb 28, 1966
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
72217541 - HARSHAW
Serial number
72217541
Registration number
821804
Filing date
Apr 28, 1965
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
72217540 - HARSHAW
Serial number
72217540
Registration number
812809
Filing date
Apr 28, 1965
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
72192392 - TEXPAD
Serial number
72192392
Registration number
783854
Filing date
Apr 30, 1964
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
72186849 - T-12
Serial number
72186849
Registration number
780975
Filing date
Feb 17, 1964
HARSHAW CHEMICAL COMPANY, THE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72181888 - LAB PACK
Serial number
72181888
Registration number
802509
Filing date
Nov 26, 1963
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
72171544 - NUSAT
Serial number
72171544
Registration number
783840
Filing date
Jun 21, 1963
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
72156973 - MARK
Serial number
72156973
Registration number
764886
Filing date
Nov 9, 1962
HARSHAW CHEMICAL COMPANY, THE
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry