Inventor

John D. Johnson

Inventor
Louisville, KY, US

Overview

21→
Patents
1976–2014
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 21 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
C23FNon-mechanical removal of metallic material from surface8%
A23CDairy products, e.g. milk, butter or cheese5%
D06PDyeing or printing textiles5%
F24BDomestic stoves or ranges for solid fuels5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
H04HBroadcast communication5%
A01JManufacture of dairy products3%
A61MDevices for introducing media into, or onto, the body3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2014Patents assigned to JOHNSON JOHN DAVID (2)· patent assignee history
1978–1980Patents assigned to JOHNSON JOHN (2)· patent assignee history
1981–1982Based in North Augusta, SC, US· patent location history
1986–2009Patents assigned to JOHNSON JOHN D (6)· patent assignee history
1992–1993Based in London, Earling, GB· patent location history
1994Patents assigned to NALCO CHEMICAL CO (3)· patent assignee history
1994–1999Based in Needville, TX, US· patent location history
1994Based in Sugar Land, TX, US· patent location history
2004–2010Patents assigned to INNOVATIVE ELECTRONIC DESIGNS (2)· patent assignee history
2004–2014Based in Louisville, KY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON JOHN Dself61986–2009
NALCO CHEMICAL CO31994
INNOVATIVE ELECTRONIC DESIGNS22004–2010
JOHNSON JOHNself21978–1980
JOHNSON JOHN DAVIDself21976–2014
Locations
LocationPatentsSpan
Louisville, KY, US32004–2014
Needville, Texas, US21994–1999
Sugar Land, Texas, US21994
London, Earling, GB21992–1993
North Augusta, SC, US21981–1982