For the Inventor, By the Inventor

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Thomaston, CT, United States of America

General Time Corporation

USPTO Granted Patents = 41

Trademarks = 1

Forward Citations = 445

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41 inventors (with patents filed for the assignee):

Ellworth R Danz (6 out of 6 patents)

Anthony W Rigazio (4 out of 7 patents)

Ralph C Robinson (4 out of 4 patents)

4. Frank W Stellwagen (3 out of 3 patents)

5. James W Richmond (3 out of 3 patents)

6. John C Crenshaw (3 out of 3 patents)

7. David Scott Morrison (2 out of 24 patents)

8. Gerald W Ogden (2 out of 4 patents)

9. Ralph H Preiser (2 out of 2 patents)

10. Robert S Lundin (2 out of 12 patents)

11. Edward F Cielaszyk (2 out of 2 patents)

12. John D Freeman (2 out of 2 patents)

13. Stephen E Frazier (2 out of 6 patents)

14. Robert D Hart (2 out of 4 patents)

15. Robert Mazzamauro (2 out of 3 patents)

Core Competencies:

Electric Alarm Clock

Air Treatment Filter

Digital Display

Mechanical Movement

Sensing Apparatus

Timer Switch

Stepping Motor

Smoke Detection Alarm

Electronic Chime

Timepiece Calendar

Low Power Synchronous Motor

Firing Circuit

41 patents: Sort by Forward Citations

1. 5339296 - Electric alarm clock with battery back-up (1994-08-16),

2. 4604110 - Filter element, filter, and method for removing odors from indoor air (1986-08-05),

3. 4534775 - Air treatment filter element and air treatment filter (1985-08-13),

4. 4340948 - Single-coil balance wheel for driving a mechanical movement (1982-07-20),

5. 4308435 - Digital display and switch apparatus for automobile accessory (1981-12-29),

6. D259926 - Housing for alarm device (1981-07-21),

7. 4277841 - Elapsed time indicator (1981-07-07),

8. D257129 - Clock (1980-09-30),

9. D256782 - Travel alarm clock (1980-09-09),

10. 4209185 - Sensing apparatus with electrical actuation system (1980-06-24),

11. 4192136 - Adjustment of readout members in a digital clock (1980-03-11),

12. 4172603 - Sensing apparatus with mechanical actuation system (1979-10-30),

13. 4166428 - Intruder alarm (1979-09-04),

14. 4166358 - Solid state alarm for clock-radio (1979-09-04),

15. 4166204 - Switch for timer (1979-08-28),

Company Overview

General Time Corporation, based in Thomaston, CT, specializes in the development and manufacturing of a diverse range of timekeeping and alarm technologies. The company is known for its innovative electric alarm clocks and solid-state alarms, as well as timer switch assemblies that enhance user convenience. Additionally, General Time focuses on air treatment filters and sensing apparatus, contributing to improved indoor environments and security solutions. Their expertise in mechanical movements and digital display technology positions them as a key player in the consumer electronics sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

41 Patents

#1 in Thomaston, CT

#220 in Connecticut

#8,439 in US

#16,706 in the World

Thomaston, CT, United States of America

General Time Corporation

Forward Citations = 445

41 inventors:

Ellworth R Danz (6 out of 6 patents)

Anthony W Rigazio (4 out of 7 patents)

Ralph C Robinson (4 out of 4 patents)

4. Frank W Stellwagen (3 out of 3 patents)

5. James W Richmond (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: General Time Corporation. Retrieved from https://idiyas.com/company/general-time

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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