John Hammargren

This inventor holds 8 USPTO granted patents and 2 published patent applications and 10 EPO patents. Top assignees: Sandvik Mining and Construction Tools Ab, Sandvik Intellectual Property Ab, Sandvik Mining and Constructin Tools Ab. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Hammargren. Retrieved from https://idiyas.com/inventor/john-hammargren-rxr9c9oi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 8 (Patent Applications = 2)

% Patents Active = 100.0

EPO Patents = 10 (Patent Applications = 15)

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 17(Granted Patents)

Location History:

Jadraas, SE (2014)
Ockelbo, SE (2017 - 2020)
Sandviken, SE (2024)

Company Filing History:

4 out of 29

Sandvik Mining and Construction Tools Ab

patents

3 out of 916

Sandvik Intellectual Property Ab

patents

1 out of 1

Sandvik Mining and Constructin Tools Ab

patent

Years Active: 2014-2025

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12286842 - Thread pitch (2025-04-29),

2. 12241313 - Connection for percussion drilling (2025-03-04),

3. 12098599 - Shoulder protected drilling assembly (2024-09-24),

4. 12054991 - Carved out drill bit (2024-08-06),

5. 12000213 - Drill bit (2024-06-04),

6. 10626680 - Percussive rock drill bit with flushing grooves (2020-04-21),

7. 9797202 - Drill bit for rock drilling tool, and rock drilling tool (2017-10-24),

8. D705827 - Drill bit for percussive drilling (2014-05-27),

Title: John Hammargren: Innovator in Percussive Drilling Technology

Introduction

John Hammargren is a notable inventor based in Ockelbo, Sweden. He has made significant contributions to the field of percussive drilling technology, holding a total of 8 patents. His innovative designs have advanced the efficiency and effectiveness of drilling tools.

Latest Patents

Hammargren's latest patents include a unique thread pitch design for a female portion of a thread joint used in percussive drilling tools. This design features a mounting sleeve with a cylindrical internally threaded section, which has specific dimensions and thread forms that enhance performance. Another notable patent is a connection for percussion drilling, which comprises male and female couplings. Each coupling is designed with a specific thread-form that optimizes the connection's strength and reliability during drilling operations.

Career Highlights

Throughout his career, John Hammargren has worked with prominent companies such as Sandvik Mining and Construction Tools AB and Sandvik Intellectual Property AB. His work in these organizations has allowed him to develop and refine his innovative ideas in drilling technology.

Collaborations

Hammargren has collaborated with talented individuals in his field, including coworkers Andreas Rindeskar and Andreas Norman. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

John Hammargren's contributions to percussive drilling technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the efficiency of drilling operations worldwide.

Profile summary based on public USPTO records.