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For the Inventor, By the Inventor

Stratford, CT, United States of America

Sikorsky Aircraft Corporation

Calculating rank
USPTO Granted Patents = 992

% Expired Patents = 18.0



Trademarks = 20

Forward Citations = 7,828

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888 inventors (with patents filed for the assignee):

goldMedal Igor Cherepinsky (38 out of 47 patents)

silverMedal Sven Roy Lofstrom (35 out of 38 patents)

bronzeMedal William Arthur Welsh (35 out of 42 patents)

4.  Yuriy Gmirya (33 out of 41 patents)

5.  Mark R Alber (30 out of 30 patents)

6.  David H Hunter (28 out of 38 patents)

7.  Timothy Fred Lauder (27 out of 30 patents)

8.  David N Schmaling (24 out of 43 patents)

9.  David W Littlejohn (24 out of 24 patents)

10.  Mark Winfield Scott (24 out of 30 patents)

11.  Harshad S Sane (23 out of 25 patents)

12.  Brian Ernest Wake (23 out of 31 patents)

13.  Vineet Sahasrabudhe (22 out of 22 patents)

14.  Matthew T Luszcz (18 out of 20 patents)

15.  Erez Eller (18 out of 20 patents)


Core Competencies:
Rotor Blade
Bonding Methods
Vibration Control
Cooling Systems
Tip Section Replacement
Strain Sensors
Lubrication Systems
Gearbox Design
Aircraft Control
Composite Structures
Pressurizing Tooling
Landing Gear

992 patents:

1. 12145722 - Core material for balanced rotor blade (2024-11-19),
2. 12129023 - Method of removal and replacement of a tip section of a rotor blade (2024-10-29),
3. 12071229 - De-ice fairing bond fixture (2024-08-27),
4. 12005686 - Core material for composite structures (2024-06-11),
5. 11839997 - Self pressurizing bladder tooling (2023-12-12),
6. 11834200 - Method of bonding a blade cuff to a rotor blade (2023-12-05),
7. 11655052 - Method and apparatus for locating and forming fastener holes in a replacement tip section of a rotor blade (2023-05-23),
8. 11635343 - Use of fiber optic strain sensors to monitor fastener damage in structures (2023-04-25),
9. 11634228 - High volume flow management of cooling air (2023-04-25),
10. 11618184 - Self pressurizing bladder tooling (2023-04-04),
11. 11584547 - Fairing bond fixture (2023-02-21),
12. 11548627 - Core matertal for balanced rotor blade (2023-01-10),
13. 11548129 - Method and assembly for extracting press fit bushings (2023-01-10),
14. 11548103 - Mobile pressure tool for rotor blade processes (2023-01-10),
15. 11512811 - System and method for detecting a lubricant-out condition in an aircraft gearbox (2022-11-29),
Company Overview
Sikorsky Aircraft Corporation, headquartered in Stratford, Connecticut, is a leader in rotor blade technology, specializing in the design and manufacture of advanced rotorcraft. The company focuses on various core technology topics, including rotor blade design, bonding methods, and vibration control systems. Sikorsky's innovations extend to cooling systems, strain sensors, lubrication systems, and gearbox design, positioning it at the forefront of aerospace engineering and contributing significantly to military and commercial aviation sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Sikorsky Aircraft Corporation USPTO Patent Assignee Logo
992 Patents

#1 in Stratford, CT

#18 in Connecticut

#526 in US

#1,041 in the World

Stratford, CT (US)
Stratford, CT, United States of America

Sikorsky Aircraft Corporation

Forward Citations = 7,828

888 inventors:

goldMedal Igor Cherepinsky (38 out of 47 patents)

silverMedal Sven Roy Lofstrom (35 out of 38 patents)

bronzeMedal William Arthur Welsh (35 out of 42 patents)

4.  Yuriy Gmirya (33 out of 41 patents)

5.  Mark R Alber (30 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sikorsky Aircraft Corporation. Retrieved from https://idiyas.com/company/sikorsky-aircraft

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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