Growing community of inventors

St. Marys, Canada

David E Courtnage

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 1

David E Courtnage ↔ Tapantosh Chakrabarty (1 patent)David E Courtnage ↔ Jing Wan (1 patent)David E Courtnage ↔ Mori Y Kwan (1 patent)David E Courtnage ↔ Marcel A Grubert (1 patent)David E Courtnage ↔ Jeffrey A Yerian (1 patent)David E Courtnage ↔ Xiaomeng Yang (1 patent)David E CourtnageDavid E Courtnage (1 patent)Tapantosh ChakrabartyTapantosh Chakrabarty (26 patents)Jing WanJing Wan (5 patents)Mori Y KwanMori Y Kwan (7 patents)Marcel A GrubertMarcel A Grubert (3 patents)Jeffrey A YerianJeffrey A Yerian (1 patent)Xiaomeng YangXiaomeng Yang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Exxonmobil Upstream Research Company (1 from 1,398 patents)

2. Imperial Oil Resources (14 patents)


1 patent:

1. 10082000 - Apparatus and method for isolating fluid flow in an open hole completion

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1/9/2026
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