For the Inventor, By the Inventor

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Glendale, MD, United States of America

Tvi Corporation

USPTO Granted Patents = 19

% Expired Patents = 21.1

Forward Citations = 237

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14 inventors (with patents filed for the assignee):

Otto Gossweiler (5 out of 7 patents)

Richard A Esser (5 out of 6 patents)

Thomas R Boyer (4 out of 23 patents)

4. Douglas B Armentrout (4 out of 6 patents)

5. Chad Sample (2 out of 5 patents)

6. Peter J Cooper (2 out of 3 patents)

7. Stephen Kubicsko (2 out of 3 patents)

8. Greg Alan Tilley (2 out of 12 patents)

9. Jeffrey A Alvey (1 out of 2 patents)

10. John Buchanan (1 out of 1 patent)

11. Dale Kline (1 out of 1 patent)

12. Hunter L Graves (1 out of 1 patent)

13. Jerry L Griffith (1 out of 1 patent)

14. Paul W Wells (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 7520910 - Modular air purification unit (2009-04-21),

2. 7503890 - Collapsible patient isolation pod (2009-03-17),

3. 7503663 - Infrared reflective tape squares (2009-03-17),

4. 7469699 - Thin profile air purifying blower unit and filter cartridges, and method of use (2008-12-30),

5. 7458390 - Breath controlled air inlet for blower (2008-12-02),

6. 7380551 - Breathing apparatus (2008-06-03),

7. D567449 - Personnel marker (2008-04-22),

8. D563602 - Personnel marker (2008-03-04),

9. 7320205 - Method for manufacturing filter canisters and tracking quality assurance (2008-01-22),

10. D553298 - Personnel marker (2007-10-16),

11. 7273052 - Pneumatic sealing system for protection masks (2007-09-25),

12. 7198079 - Liquid delivery system of gas mask (2007-04-03),

13. 7131236 - Portable decontamination system (2006-11-07),

14. 7101412 - Self-sealing protection filter port (2006-09-05),

15. 7082944 - Changeover valve and dual air supply breathing apparatus (2006-08-01),

TVi Corporation is a leading provider of innovative technological solutions for the television industry. With a dedicated team of experts, TVi offers cutting-edge products and services that enable broadcasters and content creators to deliver high-quality video content to their audiences. From video encoding and transcoding solutions to advanced digital broadcasting systems, TVi ensures seamless and efficient television operations. With a strong commitment to customer satisfaction, TVi strives to exceed expectations and drive the future of television technology.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Tvi Corporation

19 Patents

#1 in Glendale, MD

#231 in Maryland

#17,096 in US

#32,555 in the World

Glendale, MD, United States of America

Tvi Corporation

Forward Citations = 237

14 inventors:

Otto Gossweiler (5 out of 7 patents)

Richard A Esser (5 out of 6 patents)

Thomas R Boyer (4 out of 23 patents)

4. Douglas B Armentrout (4 out of 6 patents)

5. Chad Sample (2 out of 5 patents)

Please report any incorrect information to [email protected]

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