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Inventor

Andrew H. Richards

Inventor
Westminster, MD, US

Overview

3→
Patents
2002–2017
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons38%
A61BDiagnosis25%
A61FFilters implantable into blood vessels13%
F24FAir-conditioning13%
G08BSignalling systems, e.g. personal calling systems13%
PatentTitleYear
9,554,958'System and method for detection of infant presence'20176,447,442'Infant care apparatus canopy force limiting device'20026,350,228'Infant care apparatus with protective sound and light'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to DATEX OHMEDA INC (2)· patent assignee history
2002–2017Based in Westminster, MD, US· patent location history
2017Patents assigned to GEN ELECTRIC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DATEX OHMEDA INC22002
GEN ELECTRIC12017
Locations
LocationPatentsSpan
Westminster, Maryland, US32002–2017