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, based in Glendale, MD, specializes in advanced technology solutions, focusing on the development and manufacturing of innovative products across various sectors. The company is known for its expertise in electronics, software development, and systems integration, catering to both commercial and government clients. Tvi Corporation emphasizes research and development to enhance its offerings, ensuring they remain at the forefront of technological advancements in their field.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Tvi Corporation

19 Patents

#1 in Glendale, MD

#232 in Maryland

#17,123 in US

#32,623 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)

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