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For the Inventor, By the Inventor

West Des Moines, IA, United States of America

Delavan Inc.


USPTO Granted Patents = 244

% Expired Patents = 7.4



Trademarks = 3

Forward Citations = 1,641

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133 inventors (with patents filed for the assignee):

goldMedal Jason Allen Ryon (79 out of 157 patents)

silverMedal Lev Alexander Prociw (76 out of 167 patents)

bronzeMedal Gregory A Zink (19 out of 32 patents)

4.  John Earl Short (18 out of 19 patents)

5.  Philip E O Buelow (16 out of 26 patents)

6.  Neal A Thomson (16 out of 22 patents)

7.  Matthew Donovan (14 out of 16 patents)

8.  Brandon Phillip Williams (13 out of 61 patents)

9.  David H Bretz (13 out of 18 patents)

10.  Sergey Mironets (12 out of 84 patents)

11.  Jacob Greenfield (12 out of 22 patents)

12.  Joseph Samo (11 out of 17 patents)

13.  Mark Alan Caples (11 out of 12 patents)

14.  Thomas J Ocken (10 out of 19 patents)

15.  Chien-Pei Mao (10 out of 10 patents)


Core Competencies:
Fuel Injector Systems
Torch Igniters
Combustion Technology
Fuel Manifolds
Heat Shielding
Gas Turbines
Additive Manufacturing
Cooling Systems
Fluid Valves
Internal Manifolds
Nozzles
Air Mixers

244 patents:

1. 12196135 - Sectional fuel manifolds (2025-01-14),
2. 12031482 - Torch ignitors with gas assist start (2024-07-09),
3. 11913646 - Fuel injector systems for torch igniters (2024-02-27),
4. 11891956 - Continuous ignition device exhaust manifold (2024-02-06),
5. 11754289 - Axially oriented internally mounted continuous ignition device: removable nozzle (2023-09-12),
6. 11719162 - Torch igniter cooling system (2023-08-08),
7. 11692488 - Torch igniter cooling system (2023-07-04),
8. 11680528 - Internally-mounted torch igniters with removable igniter heads (2023-06-20),
9. 11608783 - Surface igniter cooling system (2023-03-21),
10. 11486309 - Axially oriented internally mounted continuous ignition device: removable hot surface igniter (2022-11-01),
11. 11473505 - Torch igniter cooling system (2022-10-18),
12. 11421602 - Continuous ignition device exhaust manifold (2022-08-23),
13. 11369985 - Fluid conduits with heat shielding (2022-06-28),
14. 11346757 - Torsion testing machine and methods for additive builds (2022-05-31),
15. 11286862 - Torch injector systems for gas turbine combustors (2022-03-29),
Company Overview
Delavan Inc., based in West Des Moines, IA, specializes in advanced fuel injector systems and combustion technologies. The company focuses on developing innovative solutions such as torch igniters, fuel manifolds, and heat shielding, catering to various applications including gas turbines and cooling systems. Delavan is committed to enhancing performance and efficiency through cutting-edge additive manufacturing techniques, positioning itself as a leader in the fuel injection and combustion technology sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

244 Patents

#1 in West Des Moines, IA

#12 in Iowa

#1,747 in US

#3,552 in the World

West Des Moines, IA (US)
West Des Moines, IA, United States of America

Delavan Inc.

Forward Citations = 1,641

133 inventors:

goldMedal Jason Allen Ryon (79 out of 157 patents)

silverMedal Lev Alexander Prociw (76 out of 167 patents)

bronzeMedal Gregory A Zink (19 out of 32 patents)

4.  John Earl Short (18 out of 19 patents)

5.  Philip E O Buelow (16 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Delavan Inc.. Retrieved from https://idiyas.com/company/delavan

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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