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For the Inventor, By the Inventor

Crystal Lake, IL, United States of America

General Kinematics Corporation

USPTO Granted Patents = 132

% Expired Patents = 4.5



Trademarks = 30

Forward Citations = 1,059

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59 inventors (with patents filed for the assignee):

goldMedal Albert Musschoot (58 out of 59 patents)

silverMedal Richard B Kraus (27 out of 33 patents)

bronzeMedal Steve Massman (12 out of 12 patents)

4.  Daniel T Lease (12 out of 13 patents)

5.  Oscar Lee Mathis, Jr (9 out of 9 patents)

6.  Steve C Wiechmann (8 out of 8 patents)

7.  William G Guptail (7 out of 7 patents)

8.  Robert G Markowski (6 out of 33 patents)

9.  Kurt Christopherson (6 out of 6 patents)

10.  Eric Dickinson (5 out of 5 patents)

11.  Richard P Kempf (5 out of 5 patents)

12.  Edward Charles Steffes, Jr (5 out of 5 patents)

13.  Kerry Quinn (4 out of 15 patents)

14.  Tobin Lane Imes (4 out of 4 patents)

15.  Thomas P Musschoot (4 out of 4 patents)


Core Competencies:
Vibratory Apparatus
Vibratory Conveyor
Vibratory Separator
Dynamic Balancer
Sorting System
Spring Assembly
Material Classifying
Vibratory Feeder
Vibratory Drum
Air Balancing
Sand Reclamation
Fluid-Cooled

132 patents:

1. 11939167 - Vibratory apparatus with electro-mechanical sensor (2024-03-26),
2. 11535456 - Vibratory drum with circular motion (2022-12-27),
3. 11466931 - Vibratory apparatus with segmented distributor deck (2022-10-11),
4. 11242206 - Vibratory conveyor (2022-02-08),
5. 10532890 - Vibratory apparatus with structural resilient member (2020-01-14),
6. 10385939 - Spring assembly with a protected attachment site (2019-08-20),
7. 10384877 - Spring assembly with transverse attachment site (2019-08-20),
8. 10124963 - Vibratory apparatus (2018-11-13),
9. 10088233 - Vibratory dryer with mixing apparatus (2018-10-02),
10. 10046916 - Vibratory apparatus with structural resilient member (2018-08-14),
11. 9849486 - Vibratory apparatus with multiple screening decks (2017-12-26),
12. 9764360 - Separator attachment for a vibratory apparatus (2017-09-19),
13. 9757771 - Vibratory apparatus with dynamic balancer and balancing method (2017-09-12),
14. 9446432 - Vibratory apparatus with transport and assembly method (2016-09-20),
15. 9427781 - Vibratory apparatus with dynamic balancer and balancing method (2016-08-30),
Company Overview
General Kinematics Corporation, based in Crystal Lake, Illinois, specializes in vibratory technology, providing innovative solutions for material handling and processing. The company develops and manufactures a range of equipment including vibratory apparatus, conveyors, separators, and feeders, designed to enhance efficiency in sorting and classifying materials. With a focus on dynamic balancing and spring assembly, General Kinematics serves various industries, delivering advanced systems that optimize production and improve operational performance.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

General Kinematics Corporation USPTO Patent Assignee Logo
132 Patents

#2 in Crystal Lake, IL

#177 in Illinois

#2,945 in US

#6,105 in the World

Crystal Lake, IL (US)
Crystal Lake, IL, United States of America

General Kinematics Corporation

Forward Citations = 1,059

59 inventors:

goldMedal Albert Musschoot (58 out of 59 patents)

silverMedal Richard B Kraus (27 out of 33 patents)

bronzeMedal Steve Massman (12 out of 12 patents)

4.  Daniel T Lease (12 out of 13 patents)

5.  Oscar Lee Mathis, Jr (9 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: General Kinematics Corporation. Retrieved from https://idiyas.com/company/general-kinematics

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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