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For the Inventor, By the Inventor

Denver, CO, United States of America

Manville Corporation


USPTO Granted Patents = 151


Trademarks = 45

Forward Citations = 2,972

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159 inventors (with patents filed for the assignee):

goldMedal Robert L Ewing (16 out of 55 patents)

silverMedal Richard L Schuster (16 out of 42 patents)

bronzeMedal Herbert A Fouke (13 out of 42 patents)

4.  John W Harvey (13 out of 15 patents)

5.  James S Hughes (9 out of 18 patents)

6.  David W Bainbridge (8 out of 11 patents)

7.  Richard G Armstrong (7 out of 11 patents)

8.  Jerry F Wilson (5 out of 22 patents)

9.  Leonard E Olds (5 out of 10 patents)

10.  Leonard M Cooper (5 out of 15 patents)

11.  Randall P Crothers (5 out of 6 patents)

12.  William Henry Kielmeyer (4 out of 19 patents)

13.  Allan R LaRoche (4 out of 5 patents)

14.  Sivananda S Jada (4 out of 5 patents)

15.  Theodore R Rohweder (4 out of 4 patents)


Core Competencies:
Inorganic Fiber Composition
Glass Composite Sheathing Board
Lightweight Building Material
Glass Filaments Production
Fiberglass Reinforced Articles
Automotive Exhaust Systems
Non-Woven Fibrous Glass Mat
Zirconium Based Granules
Insulated Exhaust Pipe
Centrifugal Carton Testing
High Temperature Resistant Insulation
Moldable Fiberglass Material

151 patents:

1. 5714421 - Inorganic fiber composition (1998-02-03),
2. 5264257 - Glass composite sheathing board (1993-11-23),
3. 5256222 - Lightweight building material board (1993-10-26),
4. 5244483 - Apparatus for producing glass filaments (1993-09-14),
5. 5242633 - Method for producing organic fibers (1993-09-07),
6. 5236757 - Glass composite sheathing board having an air retarder and water barrier (1993-08-17),
7. 5232771 - Process for molding a fiberglass reinforced article (1993-08-03),
8. 5232745 - Method of neutralizing acid containing compositions present in an (1993-08-03),
9. 5193764 - Aircraft arresting system (1993-03-16),
10. 5192598 - Foamed building board composite and method of making same (1993-03-09),
11. 5173096 - Method of forming bushing plate for forming glass filaments with forming (1992-12-22),
12. 5169700 - Faced fiber glass insulation (1992-12-08),
13. 5167430 - Automotive exhaust system decoupler with resilient sleeve (1992-12-01),
14. 5163289 - Automotive exhaust system (1992-11-17),
15. 5158824 - Non-woven fibrous glass mat and a method and apparatus for efficiently (1992-10-27),
Manville Corporation is a leading provider of construction and industrial materials. We offer a comprehensive range of products including insulation, roofing, and building materials. With over 50 years of experience, we pride ourselves on delivering high-quality solutions to meet the needs of our customers. Visit our website for more information and to explore our product offerings.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

151 Patents

#6 in Denver, CO

#45 in Colorado

#2,524 in US

#5,272 in the World

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Denver, CO, United States of America

Manville Corporation

Forward Citations = 2,972

159 inventors:

goldMedal Robert L Ewing (16 out of 55 patents)

silverMedal Richard L Schuster (16 out of 42 patents)

bronzeMedal Herbert A Fouke (13 out of 42 patents)

4.  John W Harvey (13 out of 15 patents)

5.  James S Hughes (9 out of 18 patents)

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