Inventor

Douglas H. Marman

Inventor
Ridgefield, WA, US

Overview

41→
Patents
1988–2020
Patent span
Physics
Primary field (CPC G)

Patents· 41 as inventor

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

G08Bprimary
G08BSignalling systems, e.g. personal calling systems32%
G06TImage data processing or generation, in general13%
H04NPictorial communication, e.g. television11%
G06VImage or video recognition or understanding9%
G06KGraphical data reading7%
G08GTraffic control systems6%
H04BTransmission5%
G06FElectric digital data processing3%
G11BInformation storage based on relative movement between record carrier and transducer3%
G07CTime or attendance registers2%
PatentTitleYear
10,735,671Intelligent high resolution video system202010,706,698Energy savings and improved security through intelligent lighting systems202010,645,344Video system with intelligent visual display20209,721,168'Directional object detection'20179,584,710'Intelligent high resolution video system'20179,449,398'Directional object detection'20169,449,510'Selective object detection'20169,412,268'Vehicle detection and counting'20169,412,269'Object detection based on image pixels'20169,215,781'Energy savings and improved security through intelligent lighting systems'20159,197,861'Multi-dimensional virtual beam detection for video analytics'20158,872,940'Content aware storage of video data'20148,736,701'Video camera having relational video database with analytics-produced metadata'20148,427,552'Extending the operational lifetime of a hard-disk drive used in video data storage applications'20137,564,365'Smoke detector and method of detecting smoke'20097,504,942'Local verification systems and methods for security monitoring'20097,493,100'Compensating for dynamic nulls in a power line communication system'20097,339,466'Power line communication system with system member identification'20087,075,445'Rapidly responding, false detection immune alarm signal producing smoke detector'20067,034,663'Preventing unintended communication among power line communication devices associated with different premises power distribution lines of an electric power distribution system'20067,019,683'Shipping container security system'20066,911,907'System and method of providing security for a site'20056,822,555'Fire system implemented with power line communications'20046,756,906'Self-diagnostic smoke detector'20046,624,750'Wireless home fire and security alarm system'20036,441,723'Highly reliable power line communications system'20026,396,405'Automatic verification of smoke detector operation within calibration limits'20025,945,924'Fire and smoke detection and control system'19995,936,533'Method of automatic verification of smoke detector operation within calibration limits'19995,831,537'Electrical current saving combined smoke and fire detector'19985,821,866'Self-diagnosing smoke detector assembly'19985,804,891'Battery saving switching mechanism'19985,798,701'Self-adjusting smoke detector with self-diagnostic capabilities'19985,708,414'Sensitivity fault indication technique implemented in smoke detector system with self-diagnostic capabilities'19985,565,852'Smoke detector with digital display'19965,546,074'Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy'19965,311,024'Lens arrangement for intrusion detection device'1994RE033807'Self-powered sensor for use in closed-loop security system'19925,026,990'Method and apparatus for installing infrared sensors in intrusion detection systems'19914,837,558'Glass break detector'19894,745,398'Self-powered sensor for use in closed-loop security system'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1998Patents assigned to SENTROL INC (8)· patent assignee history
1988–2020Based in Ridgefield, WA, US· patent location history
2002–2009Patents assigned to GEN ELECTRIC (7)· patent assignee history
2013–2020Patents assigned to MARMAN DOUGLAS H (6)· patent assignee history
2013–2020Patents assigned to SAPTHARISHI MAHESH (5)· patent assignee history
2016–2020Patents assigned to AVIGILON ANALYTICS CORP (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AVIGILON ANALYTICS CORP82016–2020
SENTROL INC81988–1998
GEN ELECTRIC72002–2009
MARMAN DOUGLAS Hself62013–2020
SAPTHARISHI MAHESH52013–2020
Locations
LocationPatentsSpan
Ridgefield, Washington, US411988–2020