Inventor

Erin A. McDowell

Inventor

Afton, MN, US

Overview

41→

Patents

1989–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 41 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus15%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%

B29CShaping or joining of plastics10%

B29DProducing particular articles from plastics or from substances in a plastic state10%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%

G06FElectric digital data processing7%

G02CSpectacles6%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%

B29LIndexing scheme associated with subclass b29c, relating to particular articles6%

H05KPrinted circuits5%

PatentTitleYear

11,067,850Multi-mode display2021 11,061,233Polarizing beam splitter and illuminator including same2021 10,955,666Compact projection systems with a folded optical path2021 10,895,747Polarizing beam splitter and illuminator including same2021 10,838,208Beam expander with a curved reflective polarizer2020 10,754,159Optical system2020 10,747,003Optical system and head-mounted display2020 10,747,002Optical system2020 10,741,735LED with remote phosphor and shell reflector2020 10,739,503Uniform chemical vapor deposition coating on a 3-dimensional array of uniformly shaped articles2020 10,678,052Optical system2020 10,670,867Optical stack and optical system2020 10,663,727Camera2020 10,663,745Optical system2020 10,569,486Low birefringence, molded optical components2020 10,564,427Optical system2020 10,514,553Polarizing beam splitting system2019 10,485,473Portable hydration sensor2019 10,345,598Low profile image combiner for near-eye displays2019 10,338,380Optical stack and optical system2019 10,338,393Optical system and magnifying device2019 10,330,930Optical system2019 10,302,950Head-mounted display2019 10,252,940Roll processing of film2019 10,139,627Head-mounted display system and components2018 10,077,886Hybrid light bulbs using combinations of remote phosphor LEDS and direct emitting LEDS2018 10,078,164Optical system2018 10,072,333Sheet coating method2018 10,007,035Head-mounted display2018 9,995,939Optical stack and optical system2018 9,977,246Low profile image combiner for near-eye displays2018 9,945,999Optical system2018 9,945,998Optical system including curved reflective polarizer2018 9,835,777Head-mounted display2017 9,829,616Magnifying device2017 9,715,114'Optical stack and optical system'2017 9,632,353'Backlight light guide'2017 9,581,827'Optical system'2017 9,581,744'Optical stack and optical system'2017 9,557,568'Head-mounted display'2017 4,849,992'Pulse-on-pulse circuit and method'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to AIKEN ADVANCED SYSTEMS INC (1)· patent assignee history

1989Based in Alexandria, VA, US· patent location history

2017–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (39)· patent assignee history

2017–2021Based in Afton, MN, US· patent location history

2017–2018Based in St. Paul, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
3M INNOVATIVE PROPERTIES CO	39	2017–2021
AIKEN ADVANCED SYSTEMS INC	1	1989

Locations

Location	Patents	Span
Afton, Minnesota, US	38	2017–2021
St. Paul, Minnesota, US	2	2017–2018
Alexandria, Virginia, US	1	1989