Alexander Kowalchuk

City:

Estevan

Country:

Canada

Published Applications:

Last publication date:

2015-10-29

Top Assignees for applications by Alexander Kowalchuk

The entities that hold a legal rights for patent applications filed by inventor Kowalchuk Alexander:

Tru Lift Supply Inc. 1 Calgary, Alberta, Canada
Tru Lift Supply Inc. 1 Calgary, Alberta, -

Recent patent applications by Kowalchuk Alexander

Alexander Kowalchuk from Estevan, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2015-10-29

US20150308241A1

Fixed constructions

Hydraulically powered ball valve lift apparatus and method for downhole pump travelling valves

#2 | 2015-04-09

US20150098840A1

Mechanical engineering

Hydraulically powered ball valve lift apparatus and method for downhole pump travelling valves

InventorID:

1123585 ⎘