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For the Inventor, By the Inventor

Hamburg, Germany

Dolmar Gmbh


USPTO Granted Patents = 77


Forward Citations = 276

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56 inventors (with patents filed for the assignee):

goldMedal Carsten Ziegs (17 out of 23 patents)

silverMedal Andreas Singer (11 out of 11 patents)

bronzeMedal Harry Radel (8 out of 13 patents)

4.  Christian Kellermann (8 out of 8 patents)

5.  Christian Vick (8 out of 9 patents)

6.  Jochen Schoenhaar (6 out of 6 patents)

7.  Klemens Krahn (5 out of 5 patents)

8.  Torsten Haussner (5 out of 5 patents)

9.  Mark Jesse (4 out of 5 patents)

10.  Johannes Lügger (4 out of 4 patents)

11.  Klaus Matthees (4 out of 4 patents)

12.  Peter Schulz (4 out of 4 patents)

13.  Ernst Gorenflo (3 out of 9 patents)

14.  Mathias Wenckel (3 out of 6 patents)

15.  Olaf Kruse (3 out of 4 patents)


Core Competencies:
Multiple-Shell Silencer
Braking Apparatus
Starter Device
Carburettor Unit
Intake Air Cleaning
Exhaust Muffler
Catalyst Chamber
Two-Stroke Motor
Adjustable Antivibration System
Hand-Operated Tool
Ignition Unit
Mixture Lubrication

77 patents:

1. 9080492 - Multiple-shell silencer / rear shell port (2015-07-14),
2. 8973721 - Braking apparatus (2015-03-10),
3. 8944021 - Starter device for a motor driven machine (2015-02-03),
4. 8714137 - Carburettor unit for motorized equipment (2014-05-06),
5. 8622033 - Device for cleaning intake air (2014-01-07),
6. 8534254 - Starter device (2013-09-17),
7. 8499902 - Braking apparatus (2013-08-06),
8. 8424853 - Actuating device for a choke valve (2013-04-23),
9. 8394165 - Arrangement of an air filter and a diaphragm carburettor (2013-03-12),
10. 8371421 - Brake band holder (2013-02-12),
11. 8172038 - Silencer for a motor device (2012-05-08),
12. 8127743 - Brake for a hedge clipper (2012-03-06),
13. 8127455 - Portable implement (2012-03-06),
14. 8080075 - Intake system for sucking in combustion air and manually guided piece of equipment (2011-12-20),
15. 8069659 - Multiple-shell silencer / rear shell port (2011-12-06),
DOLMAR GmbH is a renowned company specializing in the manufacturing and distribution of power tools and outdoor equipment. With a strong focus on quality and innovation, DOLMAR has been providing professional-grade solutions to customers worldwide for over 90 years. Their extensive product range includes chainsaws, trimmers, blowers, and other garden tools that are known for their reliability and performance. DOLMAR GmbH continually strives to meet the evolving needs of professionals and enthusiasts in the forestry, landscaping, and construction industries.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

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77 Patents

#16 in Hamburg

#758 in Germany

#9,369 in the World

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Hamburg, Germany

Dolmar Gmbh

Forward Citations = 276

56 inventors:

goldMedal Carsten Ziegs (17 out of 23 patents)

silverMedal Andreas Singer (11 out of 11 patents)

bronzeMedal Harry Radel (8 out of 13 patents)

4.  Christian Kellermann (8 out of 8 patents)

5.  Christian Vick (8 out of 9 patents)

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