Inventor

Frank J. Maenza

Inventor

Houston, TX, US

Overview

2011–2021

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 14 as inventor

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

E21Bprimary

E21BEarth or rock drilling93%

F16JPistons7%

PatentTitleYear

10,907,437Multi-layer backup ring2021 10,760,363Lock ring segments biased into locked position while retained in position with an exterior profile2020 10,677,014Multi-layer backup ring including interlock members2020 10,619,425Packer retrieval extension for metal to metal sealing in tension and compression2020 10,364,641Open-hole mechanical packer with external feed through and racked packing system2019 10,329,866Locking keyed components for downhole tools2019 10,329,868Releasably locked debris barrier for a subterranean tool2019 10,309,186Open-hole mechanical packer with external feed through run underneath packing system2019 10,260,301Cut to release packer extension2019 10,087,704Expandable support ring for packing element containment system2018 10,077,625Subterranean packer sealing system load diverter2018 10,060,213Residual pressure differential removal mechanism for a setting device for a subterranean tool2018 9,915,121'Seal pressure relaxation device prior to release of retrievable packer'2018 8,083,001'Expandable gage ring'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2018Patents assigned to BAKER HUGHES INC (4)· patent assignee history

2011–2021Patents assigned to MAENZA FRANK J (3)· patent assignee history

2011–2018Patents assigned to CONNER NICHOLAS S (2)· patent assignee history

2011–2021Based in Houston, TX, US· patent location history

2018–2020Patents assigned to BAKER HUGHES A GE CO LLC (11)· patent assignee history

2020–2021Patents assigned to COOK CHRISTOPHER (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAKER HUGHES A GE CO LLC	11	2018–2020
BAKER HUGHES INC	4	2011–2018
MAENZA FRANK Jself	3	2011–2021
CONNER NICHOLAS S	2	2011–2018
COOK CHRISTOPHER	2	2020–2021

Locations

Location	Patents	Span
Houston, Texas, US	14	2011–2021