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For the Inventor, By the Inventor

Ockelbo, Sweden

John Hammargren

USPTO Granted Patents = 8 

 

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 16(Granted Patents)


Location History:

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

Company Filing History:

goldMedal4 out of 24 
 
Sandvik Mining and Construction Tools Ab
 patents
silverMedal3 out of 915 
 
Sandvik Intellectual Property Ab
 patents
bronzeMedal1 out of 1 
 
Sandvik Mining and Constructin Tools Ab
 patent

Years Active: 2014-2025

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8 patents (USPTO):Explore 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),
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