Inventor

Ernesto Rafael Fonseca Ocampos

Inventor
Houston, TX, US

Overview

4→
Patents
2012–2016
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
E21CMining or quarrying13%
H01CResistors13%
H05BElectric heating13%
Y10TTechnical subjects covered by former us classification13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2016Patents assigned to SHELL OIL CO (4)· patent assignee history
2012–2014Patents assigned to OCAMPOS ERNESTO RAFAEL FONSECA (2)· patent assignee history
2012Patents assigned to BASS RONALD MARSHALL (1)· patent assignee history
2012Patents assigned to CAO RENFENG RICHARD (1)· patent assignee history
2012–2016Based in Houston, TX, US· patent location history
2014Patents assigned to CARTER JR ERNEST E (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO42012–2016
OCAMPOS ERNESTO RAFAEL FONSECAself22012–2014
BASS RONALD MARSHALL12012
CAO RENFENG RICHARD12012
CARTER JR ERNEST E12014
Locations
LocationPatentsSpan
Houston, Texas, US42012–2016