% Expired Patents = 7.1

Forward Citations = 231

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3 inventors (with patents filed for the assignee):

Jerry R Johanson (14 out of 37 patents)

Kerry D Johanson (3 out of 3 patents)

Brian D Cox (2 out of 2 patents)

14 patents: Sort by Forward Citations

1. 7451666 - Apparatus and test procedure for measuring the cohesive, adhesive, and frictional properties of bulk granular solids (2008-11-18),

2. 6494612 - Racetrack-shaped dynamic gravity flow blender (2002-12-17),

3. 6086307 - Hoppers with directionally applied relative motion to promote solids flow (2000-07-11),

4. 6055781 - Archbreaking hopper for bulk solids (2000-05-02),

5. 5992689 - Variable flow rate hopper to reduce feed pulsation to a downstream (1999-11-30),

6. 5361945 - Combination hopper (1994-11-08),

7. 5289728 - Flow-no-flow tester (1994-03-01),

8. 5117699 - Flow-no-flow tester (1992-06-02),

9. 5052874 - Compacting screw feeder (1991-10-01),

10. 4986456 - Flow rate controller and feeder (1991-01-22),

11. 4958741 - Modular mass-flow bin (1990-09-25),

12. 4795266 - Solids blender with cylindrical inserts (1989-01-03),

13. 4757757 - Compaction of granular solids with a combination of shear and direct (1988-07-19),

14. 4719809 - Apparatus and test method for determining flow or no flow conditions of (1988-01-19),

Company Overview

Jr Johanson, Inc. is a technology-focused company based in San Luis Obispo, California, specializing in advanced engineering solutions. The organization is known for its innovative work in the fields of aerospace and defense, where it develops cutting-edge systems and components that enhance operational capabilities. With a commitment to research and development, Jr Johanson, Inc. leverages its expertise to address complex challenges in various sectors, contributing to advancements in technology and engineering practices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#12 in San Luis Obispo, CA

#5,322 in California

#22,333 in US

#42,290 in the World

San Luis Obispo, CA, United States of America

Jr Johanson, Inc.

Forward Citations = 231

3 inventors:

Jerry R Johanson (14 out of 37 patents)

Kerry D Johanson (3 out of 3 patents)

Brian D Cox (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jr Johanson, Inc.. Retrieved from https://idiyas.com/company/jr-johanson

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]