For the Inventor, By the Inventor

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State College, PA, United States of America

Chemcut Corporation

USPTO Granted Patents = 23

Trademarks = 1

Forward Citations = 325

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20 inventors (with patents filed for the assignee):

Daniel L Goffredo (9 out of 11 patents)

Conrad D Shakley (6 out of 7 patents)

Karl F Ketelhohn (5 out of 5 patents)

4. James J Ash (4 out of 5 patents)

5. Joseph M Brady (3 out of 4 patents)

6. Franz R Cordes (3 out of 3 patents)

7. Frederick E Coffman (2 out of 3 patents)

8. Donald F Ball (2 out of 2 patents)

9. Klaus H Gedrat (2 out of 2 patents)

10. Walter J Meyer (2 out of 11 patents)

11. Charles H Pelton (1 out of 1 patent)

12. Randall E Markle (1 out of 1 patent)

13. G Allen Blakeslee (1 out of 3 patents)

14. Conrad Dale Shakely (1 out of 1 patent)

15. Joseph J Curcio (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 5290384 - Apparatus for controlled spray etching (1994-03-01),

2. 5228949 - Method and apparatus for controlled spray etching (1993-07-20),

3. 5176158 - Apparatus and method for transporting materials which are to be (1993-01-05),

4. 5007968 - Process and apparatus for treating articles of substantial thickness (1991-04-16),

5. 5002616 - Process and apparatus for fliud treatment of articles (1991-03-26),

6. 4999079 - Process and apparatus for treating articles and preventing their wrap (1991-03-12),

7. 4985111 - Process and apparatus for intermittent fluid application (1991-01-15),

8. 4859298 - Process and apparatus for electrolytically removing protective layers (1989-08-22),

9. 4784169 - Apparatus for treating articles with solution to remove solids and then (1988-11-15),

10. 4781205 - Product guide for processing equipment (1988-11-01),

11. 4755105 - Impeller improvement (1988-07-05),

12. 4650542 - Process and apparatus for chemically treating articles in a contained (1987-03-17),

13. 4487681 - Electroplating test cell (1984-12-11),

14. 4459183 - Electroplating apparatus and method (1984-07-10),

15. 4402799 - Apparatus and method of treating tabs of printed circuit boards and the (1983-09-06),

Chemcut Corporation, based in State College, PA, specializes in the development and manufacturing of advanced chemical processing equipment. The company focuses on providing innovative solutions for the semiconductor, microelectronics, and solar industries, emphasizing precision and efficiency in its product offerings. With a commitment to quality and customer satisfaction, Chemcut plays a vital role in enhancing manufacturing processes through its expertise in chemical etching and cleaning technologies.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

23 Patents

#3 in State College, PA

#526 in Pennsylvania

#14,415 in US

#27,649 in the World

State College, PA, United States of America

Chemcut Corporation

Forward Citations = 325

20 inventors:

Daniel L Goffredo (9 out of 11 patents)

Conrad D Shakley (6 out of 7 patents)

Karl F Ketelhohn (5 out of 5 patents)

4. James J Ash (4 out of 5 patents)

5. Joseph M Brady (3 out of 4 patents)

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