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Inventor

Terry W. Shafer

Inventor
Broken Arrow, OK, US

Overview

7→
Patents
2002–2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

F04Dprimary
F04DNon-positive-displacement pumps58%
Y10TTechnical subjects covered by former us classification17%
E21BEarth or rock drilling8%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges8%
F16DCouplings for transmitting rotation8%
PatentTitleYear
RE043363'Abrasion resistant pump thrust bearing'20128,016,571'Thrust and intake chamber for pump'20117,575,413'Abrasion resistant pump thrust bearing'20096,899,517'Attachment of bearing elements by deformation'20056,752,560'Removable splined shaft end for submersible pumps'20046,726,449'Pump diffuser anti-spin device'20046,406,277'Centrifugal pump with inducer intake'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2012Patents assigned to BAKER HUGHES INC (7)· patent assignee history
2002–2012Based in Broken Arrow, OK, US· patent location history
2012Patents assigned to BRUNNER CHRISTOPHER (1)· patent assignee history
2012Patents assigned to DE LONG ROBERT C (1)· patent assignee history
2012Patents assigned to PORETTI ARTURO L (1)· patent assignee history
2012Patents assigned to SEMPLE RYAN P (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC72002–2012
BRUNNER CHRISTOPHER12012
DE LONG ROBERT C12012
PORETTI ARTURO L12012
SEMPLE RYAN P12012
Locations
LocationPatentsSpan
Broken Arrow, OK, US72002–2012