Particle and Coating Technologies, Inc.

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 100.0

Forward Citations = 30

Loading Chart...

3 inventors (with patents filed for the assignee):

Robert E Sparks (2 out of 14 patents)

Irwin C Jacobs (1 out of 17 patents)

Norbert S Mason (1 out of 10 patents)

2 patents: Sort by Forward Citations

1. 6631808 - Air classifier system for the separation of particles (2003-10-14),

2. 6544552 - Method of producing porous tablets with improved dissolution properties (2003-04-08),

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

2 Patents

#507 in St. Louis, MO

#1,323 in Missouri

#95,080 in US

St. Louis, MO, United States of America

Particle and Coating Technologies, Inc.

Forward Citations = 30

3 inventors:

Robert E Sparks (2 out of 14 patents)

Irwin C Jacobs (1 out of 17 patents)

Norbert S Mason (1 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Particle and Coating Technologies, Inc.. Retrieved from https://idiyas.com/company/particle-and-coating-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]