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Inventor

Kraig T. Kostohris

Inventor
Maple Valley, WA, US

Overview

4→
Patents
1994–2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Bprimary
F04BPositive-displacement machines for liquids29%
Y10TTechnical subjects covered by former us classification29%
F15BSystems acting by means of fluids in general14%
F16JPistons14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
8,277,206'Device and method for maintaining a static seal of a high pressure pump'20127,367,789'Device for maintaining a static seal of a high pressure pump'20085,493,954'Self-venting seal assembly'19965,337,561'Ultra high pressure multiple intensifier system'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2008Patents assigned to FLOW INT CORP (3)· patent assignee history
1994Based in Kent, WA, US· patent location history
1996–2012Based in Maple Valley, WA, US· patent location history
2012Patents assigned to CALLAHAN SHAWN M (1)· patent assignee history
2012Patents assigned to FLOW INTERNAT CORPORATIOIN (1)· patent assignee history
2012Patents assigned to HASHISH MOHAMED A (1)· patent assignee history
2012Patents assigned to KOSTOHRIS KRAIG T (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FLOW INT CORP31994–2008
CALLAHAN SHAWN M12012
FLOW INTERNAT CORPORATIOIN12012
HASHISH MOHAMED A12012
KOSTOHRIS KRAIG Tself12012
Locations
LocationPatentsSpan
Maple Valley, Washington, US31996–2012
Kent, Washington, US11994