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Indianapolis, IN, United States of America

Rolls-Royce North American Technologies Inc.

USPTO Granted Patents = 950

% Expired Patents = 2.9

CIPO Patents = 13

EPO Patents = 311

Trademarks = 2

Forward Citations = 3,646

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475 inventors (with patents filed for the assignee):

Ted Joseph Freeman (164 out of 219 patents)

Aaron D Sippel (76 out of 139 patents)

Daniel Kent Vetters (74 out of 108 patents)

4. David John Thomas (72 out of 123 patents)

5. Douglas David Dierksmeier (49 out of 53 patents)

6. Douglas J Snyder (44 out of 46 patents)

7. Robert W Heeter (43 out of 59 patents)

8. Daniel E Molnar, Jr (42 out of 50 patents)

9. Richard Joseph Skertic (35 out of 37 patents)

10. Mark Jon Blackwelder (33 out of 33 patents)

11. Edward Claude Rice (32 out of 60 patents)

12. Matthew R Gold (31 out of 39 patents)

13. Andrew J Eifert (29 out of 32 patents)

14. Michael James Armstrong (29 out of 34 patents)

15. Ryan Charles Humes (29 out of 30 patents)

Core Competencies:

Gas Turbine Engines

Heat Exchangers

Rotor Design

Thermal Management

Variable Fan Outlet Guide Vane

Electric Generators

Cooling Systems

Flow Control

Hybrid Propulsion

Thermal Energy Storage

Failure Detection

Composite Materials

950 patents: Sort by Forward Citations

1. 12768816 - Fluid transport diagnostics (2026-10-20),

2. 12764913 - Cooling system for an electronics cabinet with adjustable setpoint and related method (2026-10-13),

3. 12736010 - Bleed valve assembly with valve seal for gas turbine engine compressors (2026-09-15),

4. 12735999 - Two-phase thermal pump (2026-09-15),

5. 12732035 - Electric machine cooling of stator end windings (2026-09-08),

6. 12716370 - Tip injection system for gas turbine engines with phase change material cooling for thermal distortion mitigation (2026-08-25),

7. 12715597 - Electrical energy system for barring rotor (2026-08-25),

8. 12710010 - INTEGRATED POWER AND COOLING SYSTEM (2026-08-18),

9. 12698738 - Low pressure recovery inlet for gas turbine engine turbomachinery on aircraft (2026-08-04),

10. 12680884 - Detecting a failure in a thermocouple array (2026-07-14),

11. 12680479 - Closed Brayton cycle shutdown control with valve system for thermally isolating electrical components (2026-07-14),

12. 12676522 - Magnet retention in exterior rotor electric machines (2026-07-07),

13. 12663021 - Compressor bleed air exhaust ducting for gas turbine engine systems (2026-06-23),

14. 12655770 - Radial turbine assembly with ceramic matrix composite airfoils having circumferential dovetail retention (2026-06-16),

15. 12638024 - Fan casing or liner with interchangeable tip treatment segments (2026-05-26),

Company Overview

Rolls-Royce North American Technologies Inc., based in Indianapolis, IN, specializes in advanced gas turbine technology. The company focuses on the development and manufacturing of gas turbine engines, heat exchangers, and rotor designs, contributing to innovations in thermal management and cooling systems. Their expertise extends to variable fan outlet guide vanes and electric generators, positioning them as a key player in the aerospace and energy sectors, dedicated to enhancing efficiency and performance in high-demand applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

950 Patents

#6 in Indianapolis, IN

#12 in Indiana

#545 in US

#1,075 in the World

Indianapolis, IN, United States of America

Rolls-Royce North American Technologies Inc.

Forward Citations = 3,646

475 inventors:

Ted Joseph Freeman (164 out of 219 patents)

Aaron D Sippel (76 out of 139 patents)

Daniel Kent Vetters (74 out of 108 patents)

4. David John Thomas (72 out of 123 patents)

5. Douglas David Dierksmeier (49 out of 53 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rolls-Royce North American Technologies Inc.. Retrieved from https://idiyas.com/company/rolls-royce-north-american-technologies

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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