logo

For the Inventor, By the Inventor

Calgary, Canada

Drill Systems International Ltd.


USPTO Granted Patents = 2

Forward Citations = 27

Loading Chart...
Loading Chart...

2 inventors (with patents filed for the assignee):

goldMedal Floyd W Becker (1 out of 10 patents)

silverMedal Kare Asak (1 out of 3 patents)


2 patents:

1. 4913466 - Inner pipe member for dual-wall drill pipe assembly (1990-04-03),
2. 4860838 - Latching bit sub (1989-08-29),
logo

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#388 in Calgary

#5,843 in Canada

...
Calgary, Canada

Drill Systems International Ltd.

Forward Citations = 27

2 inventors:

goldMedal Floyd W Becker (1 out of 10 patents)

silverMedal Kare Asak (1 out of 3 patents)

Please report any incorrect information to support@idiyas.com
Loading…