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For the Inventor, By the Inventor

Cleveland, OH, United States of America

The Harshaw Chemical Company


USPTO Granted Patents = 63


Trademarks = 1

Forward Citations = 890

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56 inventors (with patents filed for the assignee):

goldMedal Carl F Swinehart (9 out of 15 patents)

silverMedal Anton Mudrak (6 out of 6 patents)

bronzeMedal Marko Moscovitch (5 out of 7 patents)

4.  Herbert Packer (5 out of 7 patents)

5.  Robert H Moss (4 out of 4 patents)

6.  Gerald Dennis Burt (4 out of 4 patents)

7.  Frank Little (4 out of 5 patents)

8.  William F Spicuzza (3 out of 4 patents)

9.  John G Richardson (3 out of 3 patents)

10.  King H Rosette (3 out of 4 patents)

11.  James E Owen (2 out of 3 patents)

12.  J William Vogt (2 out of 2 patents)

13.  Leonard A Cullo (2 out of 2 patents)

14.  Glen A Shaw (2 out of 2 patents)

15.  Arthur C Lucas (2 out of 2 patents)


Core Competencies:
Thermoluminescent Dosimetry
Hydrotreating Catalyst
Copper Plating Process
Geiger-Mueller Tube
Flame Retardants
Crystal Growth
Electroplating Baths
Silicon Pin Diode
Colloidal Sols
Optical Bodies
Metal Finishing
Hair Grooming Aids

63 patents:

1. 5065031 - Personnel TL dosimetry method and apparatus for determination of risk (1991-11-12),
2. 4975589 - Thermoluminescent dosimeter with improved card holder (1990-12-04),
3. 4957895 - Hydrotreating catalyst and process (1990-09-18),
4. 4880495 - Regeneration of copper etch bath (1989-11-14),
5. 4835388 - Thermoluminescence dosimetry card reader heating assembly (1989-05-30),
6. 4827132 - TLD apparatus and method (1989-05-02),
7. 4827131 - TLD apparatus and method with elapsed time read-out capability (1989-05-02),
8. 4825077 - Process control system and method (1989-04-25),
9. 4422817 - Load manipulating apparatus (1983-12-27),
10. 4422774 - Metal finishing barrel apparatus (1983-12-27),
11. 4410468 - Hot press-forging of an optical body with dynamic constraint by crystal (1983-10-18),
12. 4405413 - Blush-free acid zinc electroplating baths and process (1983-09-20),
13. 4401542 - Metal finishing barrel (1983-08-30),
14. 4360450 - Colloidal aqueous dispersion of an alkali metal polyantimonate and a (1982-11-23),
15. 4360431 - Self-unloading centrifuge (1982-11-23),
The Harshaw Chemical Company is a global leader in providing high-quality chemical solutions for various industries. With a history spanning over 100 years, we specialize in the development and manufacture of specialty chemicals and materials. Our extensive product portfolio includes coatings, catalysts, electronic materials, and more. We are committed to delivering innovative solutions that meet our customers' specific needs while prioritizing safety, sustainability, and quality in everything we do.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

63 Patents

#40 in Cleveland, OH

#240 in Ohio

#5,576 in US

#11,331 in the World

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Cleveland, OH, United States of America

The Harshaw Chemical Company

Forward Citations = 890

56 inventors:

goldMedal Carl F Swinehart (9 out of 15 patents)

silverMedal Anton Mudrak (6 out of 6 patents)

bronzeMedal Marko Moscovitch (5 out of 7 patents)

4.  Herbert Packer (5 out of 7 patents)

5.  Robert H Moss (4 out of 4 patents)

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