Growing community of inventors

Rotterdam, Netherlands

Petrus J Hennequin

Average Co-Inventor Count = 1.20

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 138

Petrus J HennequinHerman Oskam (2 patents)Petrus J HennequinJohannes A Brugman (1 patent)Petrus J HennequinPetrus J Hennequin (9 patents)Herman OskamHerman Oskam (17 patents)Johannes A BrugmanJohannes A Brugman (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hunter Douglas International N.v. (8 from 131 patents)


9 patents:

1. 4865108 - Frame for a retractable blind

2. 4807683 - Retractable screen

3. D291395 - Cordlock for raisable blind

4. 4580753 - Support bracket for a venetian blind headrail

5. 4480360 - Clip for wall or ceiling panel structure

6. 4475580 - Mechanism for a roller blind

7. 4226455 - Locking device for raisable venetian blind

8. 4200135 - Venetian blind tilting and lifting unit

9. 4194551 - End piece for the bottom rail of a venetian blind

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/18/2025
Loading…