Inventor

Timothy S. Rozema

Inventor

Ladera Ranch, CA, US

Overview

16→

Patents

2000–2016

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 16 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification23%

E05BLocks21%

B64DEquipment for fitting in or to aircraft18%

E05CBolts or fastening devices for wings, specially for doors or windows13%

B64CAeroplanes8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

E05DHinges or suspension devices for doors, windows or wings3%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof3%

B63BShips or other waterborne vessels2%

F16FSprings2%

PatentTitleYear

9,500,014'Locking hinge with spherical bearing assemblies'2016 9,169,678'Pressure relief latch mechanism'2015 8,925,979'Command latch and pin latch system'2015 7,882,941'Viscous shear damping strut assembly'2011 7,578,475'Pressure responsive blowout latch'2009 7,255,376'Pressure sensing dead bolt'2007 7,252,311'Motor driven latch'2007 7,185,926'Preloaded latch mechanism'2007 7,131,672'Latch mechanism'2006 6,913,297'Rotary latch mechanism'2005 6,866,227'Pressure responsive blowout latch with reservoir'2005 6,866,226'Pressure responsive blowout latch'2005 6,755,448'Blowout latch'2004 6,151,755'Front-mounted hinge'2000 6,123,370'Increased strength dogging mechanism'2000 6,095,573'Translating handle assembly'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2016Patents assigned to HARTWELL CORP (16)· patent assignee history

2000Based in Irvine, CA, US· patent location history

2004–2015Based in Ladera Ranch, CA, US· patent location history

2015Patents assigned to ROZEMA TIMOTHY S (2)· patent assignee history

2015Patents assigned to HELSLEY THOMAS J (1)· patent assignee history

2015Patents assigned to HERNANDEZ MANUEL ANDRES (1)· patent assignee history

2016Based in Placentia, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HARTWELL CORP	16	2000–2016
ROZEMA TIMOTHY Sself	2	2015
HELSLEY THOMAS J	1	2015
HERNANDEZ MANUEL ANDRES	1	2015

Locations

Location	Patents	Span
Ladera Ranch, California, US	12	2004–2015
Irvine, California, US	3	2000
Placentia, California, US	1	2016