For the Inventor, By the Inventor

Enter assignee name

Aalborg, Denmark

Dansk Eternit-fabrik A/s

USPTO Granted Patents = 4

Forward Citations = 262

Loading Chart...

Loading Chart...

7 inventors (with patents filed for the assignee):

Johan C Gregersen (2 out of 4 patents)

Herbert E Krenchel (1 out of 1 patent)

Jorgen A Ottosen (1 out of 1 patent)

4. Jorgen Balslev (1 out of 2 patents)

5. Jens P Nielsen (1 out of 1 patent)

6. Hans E Jensen (1 out of 1 patent)

7. Verner Leth (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4754589 - Roofing plate, a proofing strip for a roofing plate, and a method of (1988-07-05),

2. 4655981 - Method of producing a plate with a decorative pattern in its surface (1987-04-07),

3. 4636345 - Method of rolling a plastically deformable material (1987-01-13),

4. 4261754 - Fiber reinforced building products and method of producing same (1981-04-14),

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#12 in Aalborg

#545 in Denmark

Aalborg, Denmark

Dansk Eternit-fabrik A/s

Forward Citations = 262

7 inventors:

Johan C Gregersen (2 out of 4 patents)

Herbert E Krenchel (1 out of 1 patent)

Jorgen A Ottosen (1 out of 1 patent)

4. Jorgen Balslev (1 out of 2 patents)

5. Jens P Nielsen (1 out of 1 patent)

Please report any incorrect information to support@idiyas.com

Loading…