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Inventor

Erik E. Emstad

Inventor
Austin, TX, US

Overview

9→
Patents
2000–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 9 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels50%
A61BDiagnosis30%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power10%
H05KPrinted circuits10%
PatentTitleYear
10,945,857Bilaterally expanding intervertebral body fusion device202110,098,756Bilaterally expanding intervertebral body fusion device20189,707,095'Bilaterally expanding intervertebral body fusion device'20179,314,348'Bilaterally expanding intervertebral body fusion device'20168,864,829'Spinal cage having deployable member'20147,641,659'Spinal access instrument'20107,108,698'Combined distractor and retractor instrument and methods'20066,524,318'Spinal surgery instruments and methods'20036,036,290'Seismic subframe for electrical enclosure'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Based in Lauderdale, MN, US· patent location history
2003–2014Based in St. Paul, MN, US· patent location history
2006–2010Patents assigned to ZIMMER SPINE INC (2)· patent assignee history
2014Patents assigned to BRUFFEY JAMES (1)· patent assignee history
2014Patents assigned to EMSTAD ERIK E (1)· patent assignee history
2014Patents assigned to HARTZELL BRET E (1)· patent assignee history
2016–2021Patents assigned to WENZEL SPINE INC (4)· patent assignee history
2016–2021Based in Austin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WENZEL SPINE INC42016–2021
ZIMMER SPINE INC22006–2010
BRUFFEY JAMES12014
EMSTAD ERIK Eself12014
HARTZELL BRET E12014
Locations
LocationPatentsSpan
Austin, Texas, US42016–2021
St. Paul, Minnesota, US42003–2014
Lauderdale, Minnesota, US12000