For the Inventor, By the Inventor

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Denver, CO, United States of America

Manville Service Corporation

USPTO Granted Patents = 112

CIPO Patents = 1

Trademarks = 10

Forward Citations = 2,696

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112 inventors (with patents filed for the assignee):

Earl J Graser (11 out of 23 patents)

Earl J Killy (6 out of 14 patents)

Carlisle O Byrd, Jr (5 out of 14 patents)

4. Richard L Schuster (4 out of 42 patents)

5. Mack A Hounsel (4 out of 9 patents)

6. Anthony E Cimochowski (4 out of 6 patents)

7. Robert L Ewing (3 out of 55 patents)

8. Charles Lostak (3 out of 7 patents)

9. William H Smith (3 out of 21 patents)

10. Thomas H Sadler (3 out of 6 patents)

11. John L Sznopek (3 out of 3 patents)

12. William Henry Kielmeyer (2 out of 19 patents)

13. Jerry F Wilson (2 out of 22 patents)

14. Mario P Tocci (2 out of 8 patents)

15. Richard J Ray, Jr (2 out of 5 patents)

Core Competencies:

Insulation Board Feeder

Fibrous Mat Facer

Refractory Binder

Roofing Membranes

Fiber Blanket Insulation

High Temperature Refractory Fiber

Diatomite-Modified Asphalt

Luminaire

Beverage Carrier

Glass Fiber Reclamation

Thermal Insulation Blocks

Package Production Blank

112 patents: Sort by Forward Citations

1. 4781510 - Insulation board feeder (1988-11-01),

2. 4770294 - Two-piece beverage carrier (1988-09-13),

3. 4737192 - Refractory binder, method for making same, and product produced thereby (1988-04-12),

4. 4681798 - Fibrous mat facer with improved strike-through resistance (1987-07-21),

5. 4673594 - Method for applying a layer of fiber on a surface and a refractory (1987-06-16),

6. D287645 - Industrial floodlight (1987-01-06),

7. 4634460 - Drain bushing (1987-01-06),

8. 4612753 - Method and apparatus for locking a carrier (1986-09-23),

9. 4610902 - Roofing membranes and system (1986-09-09),

10. 4597523 - Carrier lock (1986-07-01),

11. D284223 - Luminaire (1986-06-10),

12. D284067 - Carton blank (1986-06-03),

13. 4590714 - Heat insulating tarpaulin (1986-05-27),

14. D283796 - Carton (1986-05-13),

15. 4583679 - Resealable paperboard package (1986-04-22),

Manville Service Corporation, based in Denver, Colorado, specializes in the development and manufacturing of advanced insulation materials. The company focuses on a diverse range of technologies including insulation board feeders, fibrous mat facers, and high-temperature refractory fibers. Their product offerings also encompass roofing membranes, fiber blanket insulation, and diatomite-modified asphalt. With a commitment to innovation, Manville Service Corporation plays a significant role in enhancing thermal efficiency and safety across various industries.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

112 Patents

#15 in Denver, CO

#68 in Colorado

#3,427 in US

#7,051 in the World

Denver, CO, United States of America

Manville Service Corporation

Forward Citations = 2,696

112 inventors:

Earl J Graser (11 out of 23 patents)

Earl J Killy (6 out of 14 patents)

Carlisle O Byrd, Jr (5 out of 14 patents)

4. Richard L Schuster (4 out of 42 patents)

5. Mack A Hounsel (4 out of 9 patents)

Please report any incorrect information to [email protected]

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