Johan Gunnarsson

USPTO Granted Patents = 13 (Patent Applications = 6)

EPO Patents = 5 (Patent Applications = 7)

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 15(Granted Patents)

Location History:

Sövde, SE (2010 - 2012)
Sovde, SE (2014 - 2024)

Company Filing History:

10 out of 915

Sandvik Intellectual Property Ab

Sandvik Mining and Construction Oy

patents

Years Active: 2010-2025

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12383908 - Gyratory crusher spider bushing (2025-08-12),

2. 12005458 - Gyratory crusher main shaft sleeve (2024-06-11),

3. 11679390 - Torque reaction pulley for an inertia cone crusher (2023-06-20),

4. 11642678 - Torque reaction pulley for an inertia cone crusher (2023-05-09),

5. 11007532 - Drive mechanism for an inertia cone crusher (2021-05-18),

6. 9433945 - Gyratory crusher bearing (2016-09-06),

7. D740336 - Crushing apparatus (2015-10-06),

8. D724632 - Crushing apparatus (2015-03-17),

9. 8870105 - Cone crusher and method of preparing cone crusher for operation (2014-10-28),

10. 8240587 - Gyratory crusher (2012-08-14),

11. 8020801 - Gyratory crusher with arrangement for restricting rotation (2011-09-20),

12. 7931219 - Anti-spin assembly (2011-04-26),

13. 7850103 - Assembly and method for restricting spinning in a gyratory crusher (2010-12-14),

Title: Johan Gunnarsson: Innovator in Gyratory Crusher Technology

Introduction

Johan Gunnarsson is a notable inventor based in Sovde, Sweden. He has made significant contributions to the field of gyratory crusher technology, holding a total of 13 patents. His innovative designs have improved the efficiency and functionality of crushing equipment used in various industries.

Latest Patents

Among his latest patents, the "Gyratory Crusher Spider Bushing" stands out. This invention positions a spider bushing radially between a topshell spider and a crusher main shaft, which is configured for gyroscopic precession. The bushing features a cylindrical main body with an inside surface that includes a fulcrum point, defining the smallest diameter of the bushing. The design incorporates a collar at the top end and a series of longitudinal cutouts that enhance its functionality.

Another significant patent is the "Gyratory Crusher Main Shaft Sleeve." This sleeve is designed for friction fitting over the uppermost tapered end of a crusher main shaft. It includes an elongate axial wall that tapers inwardly towards a central axis. The internal surface of the sleeve has a section that also tapers, with specific angles defined to optimize its performance.

Career Highlights

Johan has worked with prominent companies in the industry, including Sandvik Intellectual Property AB and Sandvik SRP AB. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in crushing technology.

Collaborations

Throughout his career, Johan has collaborated with talented individuals such as Bengt-Arne Eriksson and Magnus Fredriksson. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Johan Gunnarsson's contributions to gyratory crusher technology exemplify his innovative spirit and dedication to improving industrial equipment. His patents reflect a deep understanding of engineering principles and a commitment to enhancing operational efficiency.

This text is generated by artificial intelligence and may not be accurate.