Cologne, Germany

David Thomas Chrisp

This inventor holds 1 USPTO granted patent. Top assignee: Leybold Gmbh. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Thomas Chrisp. Retrieved from https://idiyas.com/inventor/david-thomas-chrisp

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: David Thomas Chrisp: Innovator in Screw Pump Technology

Introduction

David Thomas Chrisp is a notable inventor based in Cologne, Germany. He has made significant contributions to the field of pump technology, particularly with his innovative designs that enhance efficiency and functionality.

Latest Patents

David Thomas Chrisp holds a patent for a screw pump with a tapered suction-side section and a pressure-side section with a decreasing clearance. This screw pump comprises a housing that defines a chamber and two screw rotors. Each screw rotor includes a rotor shaft and at least two displacement elements connected to the rotor shaft, with each displacement element featuring at least one helical protrusion. The design includes a suction-side displacement element arranged in the suction-side section of the chamber, which tapers in the conveying direction. Additionally, the clearance between the pressure-side displacement element and the pressure-side section of the chamber decreases in the conveying direction. This innovative design also encompasses a screw rotor, a method of manufacturing a screw rotor, and the use of a screw pump or a screw rotor.

Career Highlights

David Thomas Chrisp is currently employed at Leybold GmbH, where he continues to develop and refine his inventions. His work at Leybold GmbH has positioned him as a key player in the advancement of screw pump technology.

Collaborations

David collaborates with Roland Albert Müller, contributing to the innovative projects at Leybold GmbH.

Conclusion

David Thomas Chrisp's contributions to screw pump technology exemplify his innovative spirit and dedication to engineering excellence. His patent reflects a significant advancement in pump design, showcasing his expertise and commitment to improving industrial applications.

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]
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