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Hingham, MA, United States of America

Litton Industrial Products, Inc.

Calculating rank

USPTO Granted Patents = 86

Trademarks = 4

Forward Citations = 897

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76 inventors (with patents filed for the assignee):

Robert W Cribbs (5 out of 17 patents)

William E Shank (5 out of 5 patents)

Alan M Papp (4 out of 4 patents)

4. James W Cutter (3 out of 8 patents)

5. Charles E Rettig (3 out of 4 patents)

6. Andrew J Wayson (3 out of 3 patents)

7. Francis W Stager (3 out of 3 patents)

8. John E Mahony (3 out of 9 patents)

9. Daniel J MacDonald (3 out of 5 patents)

10. Christopher T Stevenson (3 out of 3 patents)

11. Richard R Carroll (3 out of 3 patents)

12. Elman R Dunn (3 out of 3 patents)

13. Gary L Engle (2 out of 14 patents)

14. Ralph E Price (2 out of 6 patents)

15. Wolfgang O Junkel (2 out of 3 patents)

Core Competencies:

Cylindrical Grinding

Friction Welding

Coolant Systems

Double Disc Grinder

Machining Center

Magnetomotive Force

Tachometer

Grinding Gage

Electric Motors

Ultrasonic Scaler

Timing Generator

Pressure Actuated Valve

86 patents: Sort by Forward Citations

1. 4563890 - Cut-off style, roll thread flat dies (1986-01-14),

2. 4527357 - Internal grinding machine (1985-07-09),

3. 4524547 - Automatic double disc grinder control cycle (1985-06-25),

4. 4519722 - Regulating wheelhead drive (1985-05-28),

5. 4492890 - Stator winding providing magnetomotive force wave of reduced harmonic (1985-01-08),

6. 4482163 - Spindle powered adjustable chuck (1984-11-13),

7. 4480412 - In-process grinding gage (1984-11-06),

8. 4478008 - Thermally stabilized double disc grinding machine (1984-10-23),

9. 4476847 - Adjustable double disc grinder dresser (1984-10-16),

10. 4475371 - Testing and straightening machine (1984-10-09),

11. 4463415 - Timing generator for use with multi-phase control rectifier systems (1984-07-31),

12. 4462187 - Headsetting structure for double disc grinding machine (1984-07-31),

13. 4461994 - Permanent magnet inductor tachometer (1984-07-24),

14. 4461379 - Pallet conveyor (1984-07-24),

15. 4452223 - Cylindrical grinding machine truing and dressing device (1984-06-05),

Company Overview

Litton Industrial Products, Inc., based in Hingham, MA, specializes in the development and manufacturing of advanced cylindrical grinding machines. The company focuses on innovative technologies such as friction welding and coolant systems, enhancing the efficiency and precision of machining processes. With expertise in double disc grinders and machining centers, Litton is committed to delivering high-quality solutions that meet the evolving needs of the manufacturing sector, particularly in precision engineering applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

86 Patents

#1 in Hingham, MA

#234 in Massachusetts

#4,339 in US

#8,877 in the World

Hingham, MA, United States of America

Litton Industrial Products, Inc.

Forward Citations = 897

76 inventors:

Robert W Cribbs (5 out of 17 patents)

William E Shank (5 out of 5 patents)

Alan M Papp (4 out of 4 patents)

4. James W Cutter (3 out of 8 patents)

5. Charles E Rettig (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Litton Industrial Products, Inc.. Retrieved from https://idiyas.com/company/litton-industrial-products

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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