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For the Inventor, By the Inventor

Madison, WI, United States of America

Ultratec, Inc.


USPTO Granted Patents = 99

% Expired Patents = 7.1



Trademarks = 6

Forward Citations = 3,901

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24 inventors (with patents filed for the assignee):

goldMedal Robert M Engelke (91 out of 99 patents)

silverMedal Kevin R Colwell (81 out of 86 patents)

bronzeMedal Troy D Vitek (52 out of 56 patents)

4.  Christopher Engelke (24 out of 25 patents)

5.  Kevin A Colwell (13 out of 15 patents)

6.  Ronald W Schultz (7 out of 8 patents)

7.  Kurt M Gritner (5 out of 5 patents)

8.  Robert M Engleke (2 out of 2 patents)

9.  Rodney D Borst (2 out of 23 patents)

10.  Jayne M Turner (2 out of 3 patents)

11.  Pamela A Frazier (2 out of 3 patents)

12.  Robert P Leistiko (1 out of 1 patent)

13.  Edward Gisske (1 out of 1 patent)

14.  Chuck Burk (1 out of 1 patent)

15.  Mark Terranova (1 out of 1 patent)


Core Competencies:
Assistive Technology
Telecommunication Device
Text Assisted Telephony
Dual Compatibility Phone
911 Call Assistance
Captioned Telephone Service
Hearing Impaired Communication
Semiautomated Relay

99 patents:

1. 12712968 - DEVICE INDEPENDENT TEXT CAPTIONED TELEPHONE SERVICE (2026-08-18),
2. 12489839 - 911 call assistance for assisted device user (2025-12-02),
3. 12488799 - Semiautomated relay method and apparatus (2025-12-02),
4. 12482458 - Semiautomated relay method and apparatus (2025-11-25),
5. 12400660 - Semiautomated relay method and apparatus (2025-08-26),
6. 12335437 - Device independent text captioned telephone service (2025-06-17),
7. 12244752 - Text assisted telephony on wireless device method and apparatus (2025-03-04),
8. 12231600 - Dual compatibility phone system (2025-02-18),
9. 12166920 - Communication device and methods for use by hearing impaired (2024-12-10),
10. 12137183 - Semiautomated relay method and apparatus (2024-11-05),
11. 12136426 - Semiautomated relay method and apparatus (2024-11-05),
12. 12136425 - Semiautomated relay method and apparatus (2024-11-05),
13. 12035070 - Caption modification and augmentation systems and methods for use by hearing assisted user (2024-07-09),
14. 11936809 - Dual compatibility phone system (2024-03-19),
15. 11895257 - Text assisted telephony on wireless device method and apparatus (2024-02-06),
Ultratec, Inc. is a leading provider of assistive telecommunication solutions based in Madison, Wisconsin. The company specializes in developing innovative technologies that enhance communication for individuals with hearing impairments. Their product offerings include captioned telephone services and dual compatibility phones, designed to facilitate effective communication in various situations, including emergency 911 calls. Ultratec's commitment to improving accessibility through advanced telecommunication devices underscores its role in the assistive technology sector.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

99 Patents

#9 in Madison, WI

#87 in Wisconsin

#3,825 in US

#7,847 in the World

Madison, WI (US)
Madison, WI, United States of America

Ultratec, Inc.

Forward Citations = 3,901

24 inventors:

goldMedal Robert M Engelke (91 out of 99 patents)

silverMedal Kevin R Colwell (81 out of 86 patents)

bronzeMedal Troy D Vitek (52 out of 56 patents)

4.  Christopher Engelke (24 out of 25 patents)

5.  Kevin A Colwell (13 out of 15 patents)

Please report any incorrect information to [email protected]
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