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New Holland, PA, United States of America

Sperry Rand Corporation

USPTO Granted Patents = 628

Trademarks = 7

Forward Citations = 8,962

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582 inventors (with patents filed for the assignee):

Edward W Rowland-Hill (17 out of 18 patents)

Donald H McMahon (15 out of 46 patents)

Ernest J Torok (14 out of 23 patents)

4. Willis R Campbell (12 out of 54 patents)

5. Aquila D Mast (11 out of 23 patents)

6. Robert R Todd (10 out of 20 patents)

7. Hugh B Matthews (10 out of 17 patents)

8. Gerald F Ross (8 out of 27 patents)

9. David S Lo (8 out of 21 patents)

10. Joe E Shriver (7 out of 14 patents)

11. L Dennis Butler (7 out of 17 patents)

12. Charles E Mendenhall (7 out of 8 patents)

13. Shaun A Seymour (6 out of 44 patents)

14. James H Scheuneman (6 out of 26 patents)

15. Edward Szymansky (6 out of 12 patents)

Core Competencies:

Buffer Memory

Error Detection

Signal Equalization

Floating Point Processor

Magnetic Recording

Tachometer

Data Communication

Agricultural Machinery

Phase Comparator

Voltage Regulation

Optical Modulator

Error Correction

628 patents: Sort by Forward Citations

1. 4334287 - Buffer memory arrangement (1982-06-08),

2. 4326291 - Error detection system (1982-04-20),

3. 4300017 - Shielded ribbon cable (1981-11-10),

4. 4295192 - Row address memory map overlap (1981-10-13),

5. 4282582 - Floating point processor architecture which performs subtraction with (1981-08-04),

6. 4276607 - Multiplier circuit which detects and skips over trailing zeros (1981-06-30),

7. 4268905 - Autonomous fault diagnosis for disk drive using an internal (1981-05-19),

8. 4266204 - Delay line signal equalizer for magnetic recording signal detection (1981-05-05),

9. 4263627 - Electronic tachometer (1981-04-21),

10. 4253182 - Optimization of error detection and correction circuit (1981-02-24),

11. 4248248 - Interrupted infeed flight means for combine rotor (1981-02-03),

12. 4246549 - Magneto-optical phase-modulating devices (1981-01-20),

13. 4237535 - Apparatus and method for receiving and servicing request signals from (1980-12-02),

14. 4236197 - Voltage regulation loop for inverter power supply (1980-11-25),

15. 4234934 - Apparatus for scaling memory addresses (1980-11-18),

Company Overview

Sperry Rand Corporation, headquartered in New Holland, PA, specializes in advanced data processing technologies. The company focuses on developing solutions in buffer memory, error detection, and signal equalization, contributing to enhanced data communication systems. Additionally, Sperry Rand is involved in the design and manufacturing of floating point processors and magnetic recording technologies, which are integral to various applications, including agricultural machinery and tachometers, reflecting its commitment to innovation in multiple sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

628 Patents

#3 in New Holland, PA

#32 in Pennsylvania

#793 in US

#1,574 in the World

New Holland, PA, United States of America

Sperry Rand Corporation

Forward Citations = 8,962

582 inventors:

Edward W Rowland-Hill (17 out of 18 patents)

Donald H McMahon (15 out of 46 patents)

Ernest J Torok (14 out of 23 patents)

4. Willis R Campbell (12 out of 54 patents)

5. Aquila D Mast (11 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sperry Rand Corporation. Retrieved from https://idiyas.com/company/sperry-rand

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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