Inventor

Paul R. Hahn

Inventor

Houston, TX, US

Overview

11→

Patents

1980–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 11 as inventor

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

F25Jprimary

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state29%

B01DSeparation10%

A47GHousehold or table equipment5%

C10LFuels not otherwise provided for5%

E03FSewers5%

F16LPipes5%

F26BDrying solid materials or objects by removing liquid therefrom5%

G09FDisplaying5%

G11BInformation storage based on relative movement between record carrier and transducer5%

H01LSemiconductor devices5%

PatentTitleYear

11,011,195Manufacturing method for multi-layer PZT microactuator having a poled but inactive PZT constraining layer2021 8,826,565'Automotive paint spray and drying booth'2014 7,404,300'Enhanced methane flash system for natural gas liquefaction'2008 7,234,322'LNG system with warm nitrogen rejection'2007 6,691,531'Driver and compressor system for natural gas liquefaction'2004 6,658,890'Enhanced methane flash system for natural gas liquefaction'2003 6,640,586'Motor driven compressor system for natural gas liquefaction'2003 6,631,626'Natural gas liquefaction with improved nitrogen removal'2003 5,788,745'Process and apparatus for vapor recovery'1998 4,956,032'Method of grouting using a vacuum'1990 4,233,765'Frame for securing flexible sheets of material'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to HAHN PAUL R T (1)· patent assignee history

1990Based in Collingwood, CA· patent location history

1998Based in Midland, TX, US· patent location history

2003–2008Patents assigned to CONOCOPHILLIPS CO (6)· patent assignee history

2003–2008Based in Houston, TX, US· patent location history

2014Patents assigned to HAHN PAUL (1)· patent assignee history

2014Patents assigned to HAHN RICHARD J (1)· patent assignee history

2014Patents assigned to Hahn Marketing LLC (1)· patent assignee history

2014Based in Canton, MI, US· patent location history

2021Based in Bangkok, TH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CONOCOPHILLIPS CO	6	2003–2008
HAHN PAULself	1	2014
HAHN PAUL R Tself	1	1980
HAHN RICHARD J	1	2014
Hahn Marketing LLC	1	2014

Locations

Location	Patents	Span
Houston, Texas, US	6	2003–2008
Bangkok, TH	1	2021
Canton, MI, US	1	2014
Midland, Texas, US	1	1998
Collingwood, CA	1	1990