For the Inventor, By the Inventor

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Woodland Park, CO, United States of America

Sturman Digital Systems, LLC

Calculating rank

USPTO Granted Patents = 31

% Expired Patents = 48.4

EPO Patents = 2

Forward Citations = 270

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4 inventors (with patents filed for the assignee):

Oded Eddie Sturman (31 out of 106 patents)

Steven E Massey (2 out of 10 patents)

Tibor Kiss (1 out of 10 patents)

4. David Drury (1 out of 1 patent)

Core Competencies:

Digital Hydraulic Engines

Variable Compression Ratio

Multi-Fuel Ignition

Compression Ignition

Fuel Injectors

Hydraulic Systems

High Performance Engines

Low Emission Technology

Free Piston Engines

Ammonia Fuel Systems

Engine Actuation

Pressure Balanced Valves

31 patents: Sort by Forward Citations

1. 11519321 - Fully flexible, self-optimizing, digital hydraulic engines and methods with preheat (2022-12-06),

2. 11255260 - Variable compression ratio engines and methods for HCCI compression ignition operation (2022-02-22),

3. 11152839 - Hydraulically powered electric generators (2021-10-19),

4. 11073070 - Liquid and gaseous multi-fuel compression ignition engines (2021-07-27),

5. 11015537 - Multiple engine block and multiple engine internal combustion power plants for both stationary and mobile applications (2021-05-25),

6. 10563573 - Variable compression ratio engines and methods for HCCI compression ignition operation (2020-02-18),

7. 10352228 - Liquid and gaseous multi-fuel compression ignition engines (2019-07-16),

8. 9932894 - Variable compression ratio engines and methods for HCCI compression ignition operation (2018-04-03),

9. 9464569 - Digital hydraulic opposed free piston engines and methods (2016-10-11),

10. 9206738 - Free piston engines with single hydraulic piston actuator and methods (2015-12-08),

11. 9181890 - Methods of operation of fuel injectors with intensified fuel storage (2015-11-10),

12. 9026339 - Multiple fuel-type compression ignition engines and methods (2015-05-05),

13. 8887690 - Ammonia fueled mobile and stationary systems and methods (2014-11-18),

14. 8733671 - Fuel injectors with intensified fuel storage and methods of operating an engine therewith (2014-05-27),

15. 8694230 - Fuel systems and methods for cold environments (2014-04-08),

Company Overview

Sturman Digital Systems, LLC, based in Woodland Park, Colorado, specializes in advanced control systems and digital technologies. The company focuses on developing innovative solutions for various industries, including aerospace and automotive, enhancing user interaction and system performance. With a commitment to research and development, Sturman Digital aims to push the boundaries of technology, creating products that integrate seamlessly into complex systems while prioritizing reliability and efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

31 Patents

#2 in Woodland Park, CO

#223 in Colorado

#10,946 in US

#21,301 in the World

Woodland Park, CO, United States of America

Sturman Digital Systems, LLC

Forward Citations = 270

4 inventors:

Oded Eddie Sturman (31 out of 106 patents)

Steven E Massey (2 out of 10 patents)

Tibor Kiss (1 out of 10 patents)

4. David Drury (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sturman Digital Systems, LLC. Retrieved from https://idiyas.com/company/sturman-digital-systems

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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