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Inventor

Emanuel L. Logan, Jr.

Inventor
Columbia, MD, US

Overview

16→
Patents
1981–2001
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 16 as inventor

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

E05Bprimary
E05BLocks26%
Y10TTechnical subjects covered by former us classification26%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons6%
E05CBolts or fastening devices for wings, specially for doors or windows6%
G08BSignalling systems, e.g. personal calling systems6%
G09FDisplaying6%
A47GHousehold or table equipment3%
A47KSanitary equipment3%
B42DBooks3%
PatentTitleYear
6,212,716'Inflatable pillow'20015,626,389'Lift seat'19975,312,157'Lift seat'19944,720,128'Magnetic emergency exit door lock with time delay'19884,651,358'Apparatus for securing a pivoted member such as a toilet seat lid'19874,652,028'Magnetic emergency exit door lock with time delay'19874,489,308'Emergency exit indicators'19844,470,625'Emergency exit door latch with hydraulic and electronic delay'19844,466,208'Emergency exit sign utilizing an electro-luminescent (EL) lamp and a brightness monitor'19844,354,699'Apparatus for delaying opening of doors'19824,328,985'Timing apparatus for delaying opening of doors'19824,324,425'Point-of-egress control device for securing exit doors safely'19824,314,722'Timing apparatus for delaying opening of doors'19824,272,327'Form and label combination'19814,271,691'Emergency release for deadlocks'19814,257,631'Magnetic emergency exit door lock with delayed opening'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1988Patents assigned to RELIABLE SECURITY SYST (8)· patent assignee history
1981–1982Patents assigned to LOGAN EMANUEL L (2)· patent assignee history
1981–1982Based in Silver Spring, MD, US· patent location history
1982–1984Based in Arlington, VA, US· patent location history
1984–1987Patents assigned to LOGAN JR EMANUEL L (3)· patent assignee history
1984Patents assigned to WALSH J WILLIAM (2)· patent assignee history
1987–2001Based in Columbia, MD, US· patent location history
1997Patents assigned to DYNAMIC SEATING LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RELIABLE SECURITY SYST81981–1988
LOGAN JR EMANUEL Lself31984–1987
LOGAN EMANUEL Lself21981–1982
WALSH J WILLIAM21984
DYNAMIC SEATING LLC11997
Locations
LocationPatentsSpan
Columbia, Maryland, US61987–2001
Arlington, Virginia, US51982–1984
Silver Spring, Maryland, US51981–1982