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For the Inventor, By the Inventor

Glendale, MD, United States of America

Tvi Corporation

Calculating rank
USPTO Granted Patents = 19

% Expired Patents = 21.1

Forward Citations = 239

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14 inventors (with patents filed for the assignee):

goldMedal Otto Gossweiler (5 out of 7 patents)

silverMedal Richard A Esser (5 out of 6 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Tvi Corporation USPTO Patent Assignee Logo
19 Patents

#1 in Glendale, MD

#232 in Maryland

#17,154 in US

#32,705 in the World

Glendale, MD (US)
Glendale, MD, United States of America

Tvi Corporation

Forward Citations = 239

14 inventors:

goldMedal Otto Gossweiler (5 out of 7 patents)

silverMedal Richard A Esser (5 out of 6 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tvi Corporation. Retrieved from https://idiyas.com/company/tvi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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