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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),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

General Kinematics Corporation
132 Patents

#2 in Crystal Lake, IL

#177 in Illinois

#2,940 in US

#6,090 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)

Please report any incorrect information to [email protected]
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