LexDanaLexDanabeta
Inventor

Alfred Olvera

Inventor
Houston, TX, US

Overview

4→
Patents
2012–2019
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 drilling75%
F16KValves25%
PatentTitleYear
10,458,198Test dart system and method20199,291,023'Stem head adapter with pistons'20168,690,121'Differential screw assembly for varying torque for valve'20148,297,366'Installable load shoulder for a wellhead'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2014Patents assigned to OLVERA ALFRED (2)· patent assignee history
2012Patents assigned to LANG HEINRICH (1)· patent assignee history
2012Patents assigned to STREAM FLO IND LTD (1)· patent assignee history
2012–2019Based in Houston, TX, US· patent location history
2014Patents assigned to KROLCZYK RAYMOND (1)· patent assignee history
2016–2019Patents assigned to GE OIL & GAS PRESSURE CONTROL LP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GE OIL & GAS PRESSURE CONTROL LP22016–2019
OLVERA ALFREDself22012–2014
KROLCZYK RAYMOND12014
LANG HEINRICH12012
STREAM FLO IND LTD12012
Locations
LocationPatentsSpan
Houston, Texas, US42012–2019