For the Inventor, By the Inventor

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Gardner, MA, United States of America

Simplex Time Recorder Co.

USPTO Granted Patents = 52

Trademarks = 10

Forward Citations = 1,084

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52 inventors (with patents filed for the assignee):

Lawrence G Stanley (12 out of 18 patents)

Charles B Winterble (8 out of 8 patents)

Wayne A Nelson (8 out of 8 patents)

4. Timothy C Repp (7 out of 9 patents)

5. Anthony J Capowski (4 out of 16 patents)

6. Paul H Maier, Jr (4 out of 16 patents)

7. Mark Philias Barrieau (4 out of 21 patents)

8. Walter P Gauthier (4 out of 4 patents)

9. Lawrence J Feroli (3 out of 22 patents)

10. Robert B Staubitz (3 out of 36 patents)

11. Gunther Trischler (3 out of 3 patents)

12. Erich Willmann (3 out of 4 patents)

13. George Franke (3 out of 3 patents)

14. Dana L Vickery (3 out of 3 patents)

15. Glenn L Sindledecker (2 out of 11 patents)

Core Competencies:

Fire Alarm System

Smoke Detector

Time Recorder

Alarm Monitoring

Temperature Sensing

Emergency Strobe Light

Programmable Recorder

Wiring Integrity

Notification Appliances

Data Storage

Synchronized Strobes

Electrical Connector

52 patents: Sort by Forward Citations

1. 6567001 - Fire control panel monitoring for degradation of wiring integrity during alarm state (2003-05-20),

2. 6313744 - Alarm system with individual alarm indicator testing (2001-11-06),

3. 6281789 - Alarm system having improved control of notification appliances over common power lines (2001-08-28),

4. 6265971 - Fiber-sync communications channel (2001-07-24),

5. 6195011 - Early fire detection using temperature and smoke sensing (2001-02-27),

6. 6061303 - Programmable time recorder (2000-05-09),

7. 6038289 - Redundant video alarm monitoring system (2000-03-14),

8. 6034601 - Method and apparatus for determining proper installation of alarm devices (2000-03-07),

9. 6033245 - Self-aligning electrical connector (2000-03-07),

10. 5990915 - Time recorder with code reader and data storage (1999-11-23),

11. 5966002 - Method and apparatus for adapting voltage control in alarm systems (1999-10-12),

12. 5886620 - Building alarm system with synchronized strobes (1999-03-23),

13. 5865527 - Emergency strobe light (1999-02-02),

14. 5862201 - Redundant alarm monitoring system (1999-01-19),

15. 5818334 - Addressable devices with interface modules having electrically readable (1998-10-06),

Company Overview

Simplex Time Recorder Co., based in Gardner, MA, specializes in advanced fire alarm systems and related technologies. The company focuses on developing innovative solutions such as smoke detectors, alarm monitoring systems, and emergency strobe lights, ensuring safety and reliability in various environments. Their expertise extends to programmable recorders and temperature sensing technologies, emphasizing the importance of wiring integrity in fire safety applications. Simplex Time Recorder Co. is committed to enhancing public safety through its comprehensive product offerings.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

52 Patents

#1 in Gardner, MA

#384 in Massachusetts

#6,769 in US

#13,571 in the World

Gardner, MA, United States of America

Simplex Time Recorder Co.

Forward Citations = 1,084

52 inventors:

Lawrence G Stanley (12 out of 18 patents)

Charles B Winterble (8 out of 8 patents)

Wayne A Nelson (8 out of 8 patents)

4. Timothy C Repp (7 out of 9 patents)

5. Anthony J Capowski (4 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Simplex Time Recorder Co.. Retrieved from https://idiyas.com/company/simplex-time-recorder-company

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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