Inventor

Steven C. Ellis

Inventor

Los Gatos, CA, US

Overview

1997–2016

Patent span

Fixed constructions

Primary field (CPC E)

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

E21Bprimary

E21BEarth or rock drilling33%

H04LTransmission of digital information, e.g. telegraphic communication22%

B01DSeparation11%

F16JPistons11%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes11%

G11BInformation storage based on relative movement between record carrier and transducer11%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1997Based in Aberdeenshire, GB· patent location history

2009–2012Patents assigned to VETCO GRAY INC (2)· patent assignee history

2009–2012Based in The Woodlands, TX, US· patent location history

2011Based in Germantown, NY, US· patent location history

2012Patents assigned to DAWES RICHARD (1)· patent assignee history

2012Patents assigned to ELLIS STEVEN (1)· patent assignee history

2012Based in Hoyland, GB· patent location history

2013–2016Patents assigned to PLURIS INC (2)· patent assignee history

2013Patents assigned to CHANG XIAOYAN (1)· patent assignee history

2013–2016Based in Los Gatos, CA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations