LexDanaLexDanabeta
Inventor

Herman M. Kamphorst

Inventor
Assen, NL

Overview

8→
Patents
2003–2011
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 8 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
8,037,949'Pipe running tool'20117,753,138'Pipe running tool having internal gripper'20107,699,121'Pipe running tool having a primary load path'20107,591,304'Pipe running tool having wireless telemetry'20097,510,006'Pipe running tool having a cement path'20097,096,977'Pipe running tool'20066,938,709'Pipe running tool'20056,527,493'Handling of tube sections in a rig for subsoil drilling'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2011Patents assigned to VARCO INT (8)· patent assignee history
2003Based in Northorn, DE· patent location history
2005–2011Based in Assen, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VARCO INT82003–2011
Locations
LocationPatentsSpan
Assen, NL72005–2011
Northorn, DE12003