Inventor

David M. Hagen

Inventor

Corvallis, OR, US

Overview

13→

Patents

2005–2018

Patent span

Performing operations

Primary field (CPC B)

Patents· 13 as inventor

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

B41Jprimary

B41JTypewriters75%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers13%

B29CShaping or joining of plastics6%

B43LArticles for writing or drawing upon6%

PatentTitleYear

10,065,425Printing fluid container2018 8,474,655'Bag-in-box container including a pre-positioned, secured dispensing spout'2013 7,874,660'Closure and connector for a supply container'2011 7,802,859'Refilling a used ink cartridge'2010 7,722,173'Fluid container having a fluid absorbing material'2010 7,380,926'Methods and apparatuses for use in inkjet pens'2008 7,360,881'Fluid container having air passageway'2008 7,344,233'Replaceable ink supply with ink channels'2008 7,178,907'Fluid containment structure with coiled bag backpressure regulator'2007 7,111,930'Fluid supply having a fluid absorbing material'2006 7,033,010'Ink delivery apparatus with collapsible ink chamber and method of use'2006 6,981,763'Back-pressure generating fluid containment structure and method'2006 6,969,163'Ink-reservoir vents and venting methods'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2018Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (11)· patent assignee history

2005–2018Based in Corvallis, OR, US· patent location history

2008–2013Patents assigned to HAGEN DAVID M (3)· patent assignee history

2008Patents assigned to ALMEN KEVIN D (1)· patent assignee history

2013Patents assigned to HACKLEMAN GEORGE N (1)· patent assignee history

2013Patents assigned to MERRILL DAVE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	11	2005–2018
HAGEN DAVID Mself	3	2008–2013
ALMEN KEVIN D	1	2008
HACKLEMAN GEORGE N	1	2013
MERRILL DAVE	1	2013

Locations

Location	Patents	Span
Corvallis, OR, US	13	2005–2018