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For the Inventor, By the Inventor

Denver, CO, United States of America

Manville Corporation


USPTO Granted Patents = 151


Trademarks = 38

Forward Citations = 3,014

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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
Lightweight Building Material
Fiberglass Reinforced Articles
Automotive Exhaust Systems
Foamed Building Board
Non-Woven Fibrous Glass
High Temperature Resistant Insulation
Moldable Fiberglass Material
Insulated Exhaust Pipe
Chemical Resistant Floor Covering
Fluorescent Lighting Fixture

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, headquartered in Denver, CO, specializes in the development and manufacturing of advanced fiber composite materials. The company focuses on a diverse range of applications, including inorganic fiber compositions and fiberglass reinforced articles, catering to industries such as construction and automotive. Their innovative products include lightweight building materials, high-temperature resistant insulation, and foamed building boards, which are designed to enhance performance and sustainability in various applications.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

151 Patents

#12 in Denver, CO

#51 in Colorado

#2,602 in US

#5,395 in the World

Denver, CO (US)
Denver, CO, United States of America

Manville Corporation

Forward Citations = 3,014

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)

Please report any incorrect information to [email protected]
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