For the Inventor, By the Inventor

Enter assignee name

Gyttorp, Sweden

Nitro Nobel Ab

USPTO Granted Patents = 54

Trademarks = 1

Forward Citations = 558

Loading Chart...

Loading Chart...

57 inventors (with patents filed for the assignee):

Gunnar O Ekman (6 out of 6 patents)

Per I Persson (5 out of 31 patents)

Lars-Gunnar Lofgren (5 out of 5 patents)

4. Bertil Petrus Enoksson (4 out of 4 patents)

5. Tord Olsson (3 out of 3 patents)

6. Ake Gustafsson (3 out of 3 patents)

7. Bengt G Persson (3 out of 7 patents)

8. Bjorn Engsbraten (2 out of 2 patents)

9. Ingemar Persson (2 out of 5 patents)

10. Bjorn Engsbrangten (2 out of 2 patents)

11. Goran Jidestig (2 out of 2 patents)

12. Karl-Erik Danertz (2 out of 2 patents)

13. Lars Andersson (2 out of 2 patents)

14. Bengt Gunnar Egerstrom (2 out of 2 patents)

15. Hans Lundborg (2 out of 2 patents)

Core Competencies:

Explosive Composition

Detonator

Blasting Machine

Low-Energy Fuse

Water-in-Oil Emulsion

Initiation Device

Pipe Joining

Charging Boreholes

Pyrotechnical Charge

Signal Transmission

Explosion Welding

Manufacturing Method

54 patents: Sort by Forward Citations

1. 6397754 - Method and apparatus for charging boreholes with explosives (2002-06-04),

2. 6227116 - Pyrotechnical charge for detonators (2001-05-08),

3. D407789 - Connector unit (1999-04-06),

4. 5844322 - Low energy fuse and method for its manufacture (1998-12-01),

5. 5654520 - Delay charge and element, and detonator containing such a charge (1997-08-05),

6. 5629493 - Low energy fuse having improved properties in both axial and radial (1997-05-13),

7. 5584222 - Method for charging bore-holes with explosive (1996-12-17),

8. 5578788 - Manufacture and use of improved explosive composition (1996-11-26),

9. 5567911 - Particulate explosive, manufacturing method and use (1996-10-22),

10. 5385098 - Initiating element for non-primary explosive detonators (1995-01-31),

11. 5299500 - Connecting block for ignition devices (1994-04-05),

12. 5271779 - Making a reduced volume strength blasting composition (1993-12-21),

13. 4995925 - Blasting composition (1991-02-26),

14. 4869170 - Detonator (1989-09-26),

15. D301599 - Combined signal transmission device and detonating cord for blasting (1989-06-13),

Nitro Nobel AB is a leading manufacturer of industrial hydraulics and pneumatic cylinders. With decades of experience, we specialize in providing durable and high-performance solutions for various industries including manufacturing, mining, and construction. Our commitment to quality, innovation, and customer satisfaction has made us a trusted partner for businesses worldwide. Visit our website to learn more about our products and services.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

54 Patents

#1 in Gyttorp

#128 in Sweden

#13,100 in the World

Gyttorp, Sweden

Nitro Nobel Ab

Forward Citations = 558

57 inventors:

Gunnar O Ekman (6 out of 6 patents)

Per I Persson (5 out of 31 patents)

Lars-Gunnar Lofgren (5 out of 5 patents)

4. Bertil Petrus Enoksson (4 out of 4 patents)

5. Tord Olsson (3 out of 3 patents)

Please report any incorrect information to [email protected]

Loading…