LexDanaLexDanabeta
Inventor

John Fred Davis

Inventor
Durham, NC, US

Overview

9→
Patents
1998–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication40%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes20%
H05HPlasma technique13%
G06FElectric digital data processing7%
G07CTime or attendance registers7%
G07FCoin-freed or like apparatus7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
8,478,831'System, method and program to limit rate of transferring messages from suspected spammers'20138,468,208'System, method and computer program to block spam'20138,253,531'On chip verification and consequent enablement of card OS operation in smart cards'20128,176,126'System, method and program to limit rate of transferring messages from suspected spammers'20127,930,740'System and method for detection and mitigation of distributed denial of service attacks'20117,711,781'Technique for detecting and blocking unwanted instant messages'20107,617,526'Blocking of spam e-mail at a firewall'20095,973,289'Microwave-driven plasma spraying apparatus and method for spraying'19995,793,013'Microwave-driven plasma spraying apparatus and method for spraying'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Based in Alexandria, VA, US· patent location history
2009–2013Patents assigned to IBM (7)· patent assignee history
2009–2013Based in Durham, NC, US· patent location history
2012–2013Patents assigned to DAVIS JOHN FRED (3)· patent assignee history
2012–2013Patents assigned to HIMBERGER KEVIN DAVID (3)· patent assignee history
2012–2013Patents assigned to JEFFRIES CLARK DEBS (3)· patent assignee history
2012–2013Patents assigned to JEREMIAH GARRETH JOSEPH (3)· patent assignee history
2013Based in Research Triangle Park, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM72009–2013
DAVIS JOHN FREDself32012–2013
HIMBERGER KEVIN DAVID32012–2013
JEFFRIES CLARK DEBS32012–2013
JEREMIAH GARRETH JOSEPH32012–2013
Locations
LocationPatentsSpan
Durham, NC, US62009–2013
Alexandria, Virginia, US21998–1999
Research Triangle Park, NC, US12013