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Inventor

Patrick R. Spearman

Inventor
The Woodlands, TX, US

Overview

13→
Patents
1989–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 13 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body38%
A61BDiagnosis21%
B01DSeparation17%
A61FFilters implantable into blood vessels8%
A61KPreparations for medical, dental or toiletry purposes4%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing4%
B09BDisposal of solid waste not otherwise provided for4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
11,033,673Systems and methods for treating blood202110,946,134Systems and methods for treating blood202110,773,012Systems and methods for treating blood20209,555,184'Systems and methods for treating blood'20179,028,437'Method for delivering an agent to the abdomen'20158,147,442'Method and apparatus for delivering an agent to the abdomen'20127,918,816'Method and apparatus for delivering an agent to the abdomen'20117,744,557'Method and apparatus for delivering an agent to the abdomen'20107,731,704'Method and apparatus for delivering an agent to the abdomen'20106,692,639'Stacked conical filtration or separation apparatus'20045,284,997'Two step filter and process'19944,836,931'Reinforced filter tube and method of making the same'19894,814,033'Method of making a reinforced filter tube'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2004Patents assigned to POROUS MEDIA CORP (4)· patent assignee history
1989–1994Based in Shoreview, MN, US· patent location history
2004–2021Based in The Woodlands, TX, US· patent location history
2010–2015Patents assigned to LEXION MEDICAL LLC (5)· patent assignee history
2012–2015Patents assigned to GRAY ROBERT I (2)· patent assignee history
2012–2015Patents assigned to LLOYD DUANE E (2)· patent assignee history
2020–2021Patents assigned to HUMANITY LIFE EXTENSION LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEXION MEDICAL LLC52010–2015
POROUS MEDIA CORP41989–2004
HUMANITY LIFE EXTENSION LLC32020–2021
GRAY ROBERT I22012–2015
LLOYD DUANE E22012–2015
Locations
LocationPatentsSpan
The Woodlands, Texas, US102004–2021
Shoreview, Minnesota, US31989–1994