For the Inventor, By the Inventor

Enter assignee name

Crystal Lake, IL, United States of America

Sun Electric Corporation

USPTO Granted Patents = 73

Trademarks = 4

Forward Citations = 1,001

Loading Chart...

Loading Chart...

76 inventors (with patents filed for the assignee):

Lee F Radtke (10 out of 30 patents)

James R Shaffer (10 out of 10 patents)

Richard A Karlin (7 out of 17 patents)

4. Gerald C Trussell (7 out of 7 patents)

5. Keith A Kreft (7 out of 7 patents)

6. David E Maxwell (6 out of 6 patents)

7. Robert W Arnston (5 out of 5 patents)

8. Gary F Comiskey (5 out of 5 patents)

9. Thomas D Loewe (4 out of 4 patents)

10. Howard L Frank (3 out of 6 patents)

11. Philip E Swis (3 out of 4 patents)

12. Zoltan Voross (3 out of 3 patents)

13. James R Caruth (3 out of 3 patents)

14. Johannes P Bovenlander (3 out of 3 patents)

15. Perry Farazi (3 out of 3 patents)

Core Competencies:

Engine Analyzer

Emissions Testing

Battery Diagnostics

Vehicle Diagnosis

Automotive Timing Light

Dwell Measuring

Exhaust Analyzer

Diagnostic Techniques

Tachometer

Signal Disabling

Compression Testing

Gas Analyzing

73 patents: Sort by Forward Citations

1. 5218302 - Interface for coupling an analyzer to a distributorless ignition system (1993-06-08),

2. 5175501 - Method of deriving a primary clock from secondary signals in a (1992-12-29),

3. 5150461 - Fixed point method of video display scaling (1992-09-22),

4. 5068613 - Method and apparatus for generating display waveforms im wasted spark (1991-11-26),

5. D313947 - Combined engine analyzer and cart (1991-01-22),

6. D313764 - Diagnostic analyzer (1991-01-15),

7. D310789 - Engine analyzer (1990-09-25),

8. D310494 - Computer analyzer (1990-09-11),

9. 4907176 - Flag generation system (1990-03-06),

10. 4903220 - Dual ported speed up memory in ROM location for engine analyzer (1990-02-20),

11. 4903219 - Method of identifying flag bits (1990-02-20),

12. 4881183 - Method and apparatus for emission testing (1989-11-14),

13. 4872004 - Plural source arbitration system (1989-10-03),

14. 4795979 - Method and apparatus for determining cylinder #1 power firing event in (1989-01-03),

15. 4518268 - Diesel engine diagnostic system (1985-05-21),

Company Overview

Sun Electric Corporation, based in Crystal Lake, Illinois, specializes in automotive diagnostics technology. The company develops a range of diagnostic tools and equipment, including engine analyzers, emissions testing devices, and battery diagnostics systems. Their expertise extends to vehicle diagnosis techniques, automotive timing lights, dwell measuring instruments, and exhaust analyzers. Sun Electric is committed to enhancing vehicle performance and compliance through innovative diagnostic solutions tailored for the automotive industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

73 Patents

#4 in Crystal Lake, IL

#285 in Illinois

#5,039 in US

#10,263 in the World

Crystal Lake, IL, United States of America

Sun Electric Corporation

Forward Citations = 1,001

76 inventors:

Lee F Radtke (10 out of 30 patents)

James R Shaffer (10 out of 10 patents)

Richard A Karlin (7 out of 17 patents)

4. Gerald C Trussell (7 out of 7 patents)

5. Keith A Kreft (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sun Electric Corporation. Retrieved from https://idiyas.com/company/sun-electric

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]

Loading…