Inventor

John M. Christensen

Inventor
Hamilton, OH, US

Overview

6→
Patents
1987–2014
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body18%
A01JManufacture of dairy products9%
A01KAnimal husbandry9%
A23KFodder9%
A61KPreparations for medical, dental or toiletry purposes9%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper9%
D21FPaper-making machines9%
D21HPulp compositions9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Based in Risskov, DK· patent location history
1999Based in Corvallis, OR, US· patent location history
2005–2014Patents assigned to DELAVAL HOLDING AB (2)· patent assignee history
2005Based in Børkop, DK· patent location history
2009–2014Based in Hamilton, OH, US· patent location history
2014Patents assigned to CHRISTENSEN JOHN M (2)· patent assignee history
2014Patents assigned to CARTLEDGE RICHARD G (1)· patent assignee history
2014Patents assigned to JERRELL JEFFREY W (1)· patent assignee history
2014Patents assigned to KOLTZ MICHAEL L (1)· patent assignee history
2014Based in Börkup, DK· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHRISTENSEN JOHN Mself22014
DELAVAL HOLDING AB22005–2014
CARTLEDGE RICHARD G12014
JERRELL JEFFREY W12014
KOLTZ MICHAEL L12014
Locations
LocationPatentsSpan
Hamilton, OH, US22009–2014
Börkup, DK12014
Børkop, DK12005
Corvallis, OR, US11999
Risskov, DK11987