Inventor

David John Mitchell

Inventor
Kingston, CA

Overview

20→
Patents
1987–2020
Patent span
Physics
Primary field (CPC G)

Patents· 20 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds16%
G01CMeasuring distances, levels or bearings12%
G07CTime or attendance registers9%
G08GTraffic control systems9%
C08LCompositions of macromolecular compounds7%
G06FElectric digital data processing7%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%
H04LTransmission of digital information, e.g. telegraphic communication7%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
H04WWireless communication networks5%
PatentTitleYear
10,621,214Systems and methods for database geocoding20209,830,749Systems and methods for executing custom fleet vehicle management scripts20179,672,667'System for processing fleet vehicle operation information'20179,478,076'Systems and methods for executing custom fleet vehicle management scripts'20169,390,084'Natural language parsers to normalize addresses for geocoding'20169,068,852'Vehicle fleet routing system'20159,014,876'System for processing fleet vehicle operation information'20158,886,453'System and method for efficient routing on a network in the presence of multiple-edge restrictions and other constraints'20148,868,479'Natural language parsers to normalize addresses for geocoding'20148,423,283'System and method for efficient routing on a network in the presence of multiple-edge restrictions and other constraints'20138,214,142'System and method for efficient routing on a network in the presence of multiple-edge restrictions and other constraints'20127,208,480'Polysaccharide based gel'20077,153,918'Random ethylene/alkyl acrylate copolymers, compounds and elastomeric compositions thereof with improved low temperature properties'20066,528,586'Compositions of elastomeric ethylene/(meth)acrylic (acid) ester copolymer and polylactone or polyether'20036,331,595'Grafting of monomers onto polyolefins in presence of organic peroxides'20016,228,948'High melt flow, highly-grafted polypropylene'20015,106,916'Process for the preparation of grafted polymers of improved color'19924,859,733'Polyolefin compositions containing trialkanolamines'19894,803,259'Isopropanolamines as catalyst deactivators in solution process for polymerization of alpha-olefins'19894,701,504'Reduction of isomerization in solution process for polymerization of alpha-olefins'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2001Patents assigned to DU PONT CANADA (5)· patent assignee history
1987–2006Based in Kingston, CA· patent location history
2003Based in Ontario, CA· patent location history
2007Based in Harrow, GB· patent location history
2012–2017Patents assigned to TELOGIS INC (10)· patent assignee history
2012–2014Patents assigned to MASON RALPH JAMES (4)· patent assignee history
2012–2014Patents assigned to MITCHELL DAVID JOHN (4)· patent assignee history
2012–2014Patents assigned to CERECKE CARL DAVID JAMES (3)· patent assignee history
2012–2016Based in Christchurch, NZ· patent location history
2015–2020Based in Austin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TELOGIS INC102012–2017
DU PONT CANADA51987–2001
MASON RALPH JAMES42012–2014
MITCHELL DAVID JOHNself42012–2014
CERECKE CARL DAVID JAMES32012–2014
Locations
LocationPatentsSpan
Kingston, CA71987–2006
Austin, Texas, US62015–2020
Christchurch, NZ52012–2016
Harrow, GB12007
Ontario, CA12003