Inventor

David M. Rix

Inventor
Columbus, IN, US

Overview

15→
Patents
1991–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 15 as inventor

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

F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof58%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool8%
F04BPositive-displacement machines for liquids8%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines4%
F16KValves4%
G01RMeasuring electric variables4%
H01FMagnets4%
Y10TTechnical subjects covered by former us classification4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2000Patents assigned to CUMMINS ENGINE CO INC (9)· patent assignee history
1991–2015Based in Columbus, IN, US· patent location history
2004–2015Patents assigned to CUMMINS INC (6)· patent assignee history
2015Patents assigned to BUCHANAN DAVID L (1)· patent assignee history
2015Patents assigned to CROFTS JOHN D (1)· patent assignee history
2015Patents assigned to DOSZPOLY BELA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CUMMINS ENGINE CO INC91991–2000
CUMMINS INC62004–2015
BUCHANAN DAVID L12015
CROFTS JOHN D12015
DOSZPOLY BELA12015
Locations
LocationPatentsSpan
Columbus, IN, US151991–2015