Union, OH, United States of America

David Allan Dranschak

This inventor holds 31 USPTO granted patents and 7 published patent applications, plus 1 CIPO patent and 17 EPO patents, primarily in Air Turbine Starters. Top assignees: Unison Industries, Inc., Ge Aviation Systems Limited, General Electric Company. Active years: 2001-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Allan Dranschak. Retrieved from https://idiyas.com/inventor/david-allan-dranschak

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 31 

% Patents Active = 96.8

 

 

Average Co-Inventor Count = 4.9

ph-index = 6

Forward Citations = 133(Granted Patents)


Location History:

  • Englewood, OH (US) (2005 - 2022)
  • Union, OH (US) (2001 - 2024)
  • Dayton, OH (US) (2024)

Company Filing History:


Years Active: 2001-2025

Loading Chart...
Loading Chart...
Loading Chart...
Areas of Expertise:
Air Turbine Starter
Lubrication System
Decoupler Assembly
Bearing Assembly
Containment System
Foil-Air Bearing
Planetary Gear System
Engine Starter
Starter Issue Detection
Child Car Seat
Infant Carrier
31 patents (USPTO):Explore Patents

Title: The Innovations of David Allan Dranschak

Introduction: David Allan Dranschak is an accomplished inventor based in Union, Ohio, with an impressive portfolio of 29 patents to his name. His contributions to the engineering field, particularly in air turbine technologies, showcase his dedication to innovation and design excellence.

Latest Patents: Dranschak’s most recent patents include an "Air Turbine Starter with Nozzle Retention Mechanism" and an "Air Turbine Starter." The first patent introduces an air turbine starter that features a housing designed to facilitate a primary airflow path, utilizing a nozzle with circumferentially spaced vanes and a shroud to enhance performance. The nozzle's axial movement is constrained by a retention mechanism, ensuring operational efficiency. Meanwhile, the second patent outlines an air turbine starter that incorporates a housing encircling a turbine coupled to a gear train. This design integrates multiple supporting bearing assemblies to enhance the functionality of the drive shaft and output shaft.

Career Highlights: Throughout his career, Dranschak has worked with prominent companies, including Unison Industries, Inc. and GE Aviation Systems Limited. At these organizations, he has played a pivotal role in developing innovative solutions that advance turbine technology and enhance aircraft performance.

Collaborations: Dranschak has collaborated with notable colleagues, including Eliel Fresco Rodriguez and Subrata Nayak. These partnerships have allowed for the exchange of ideas and expertise, contributing significantly to the creation of innovative technology in the aviation sector.

Conclusion: David Allan Dranschak's remarkable track record of innovation and his recent patents underscores his commitment to advancing air turbine technology. His career exemplifies the impact that dedicated inventors can have on their industries, fostering advancements that benefit technology and engineering worldwide.

Profile summary based on public USPTO records.
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]
Loading…