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Inventor

John W. Crayton

Inventor
Washington, IL, US

Overview

14→
Patents
1977–2013
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties19%
F15BSystems acting by means of fluids in general8%
G01DMeasuring not specially adapted for a specific variable8%
G01VGeophysics8%
G05BControl or regulating systems in general8%
B01DSeparation4%
B23KSoldering or unsoldering4%
F02BInternal-combustion piston engines4%
F02DControlling combustion engines4%
F02NStarting of combustion engines4%
PatentTitleYear
8,405,500'System and method for power and data delivery on a machine'20138,089,345'System and method for power and data delivery on a machine'20126,297,626'Fluid particle sensor apparatus and method for detecting ferrous and non-ferrous metals'20015,710,514'Hydraulic cylinder piston position sensing with compensation for piston velocity'19985,608,316'Apparatus for detecting particles in a fluid and a method for operating same'19975,608,332'Dynamic gain adjustment in electromagnetic wave hydraulic cylinder piston position sensing'19975,608,315'Apparatus for detecting particles in a fluid and a method for operating same'19975,528,928'Capacitive sensing apparatus for sensing a plurality of operating parameters associated with an engine'19965,502,378'Fluid particle sensor including a container, a first coil and a second coil disposed about a magnet located adjacent the container for attracting the particles'19965,319,973'Ultrasonic fuel level sensing device'19944,928,642'Automatic starting fluid injection apparatus and method'19904,864,284'Apparatus for sensing a failed position and velocity sensor'19894,685,066'Contamination monitor and method'19874,005,308'Weld fill height regulating system for arc welding apparatus'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1998Based in Washington, IL, US· patent location history
1987–2013Patents assigned to CATERPILLAR INC (12)· patent assignee history
2001–2013Based in Peoria, IL, US· patent location history
2012–2013Patents assigned to CRAYTON JOHN W (2)· patent assignee history
2012–2013Patents assigned to FREEMAN DAVID C (2)· patent assignee history
2012Patents assigned to BERGLUND DARREL W (1)· patent assignee history
2013Patents assigned to CASPERSON PAUL G (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CATERPILLAR INC121987–2013
CRAYTON JOHN Wself22012–2013
FREEMAN DAVID C22012–2013
BERGLUND DARREL W12012
CASPERSON PAUL G12013
Locations
LocationPatentsSpan
Washington, Illinois, US111977–1998
Peoria, Illinois, US32001–2013