Inventor

David W. Bell

Inventor
Ponca City, OK, US

Overview

23→
Patents
1977–2020
Patent span
Physics
Primary field (CPC G)

Patents· 23 as inventor

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

G01Vprimary
G01VGeophysics33%
F41BWeapons for projecting missiles without use of explosive or combustible propellant charge13%
B01LChemical or physical laboratory apparatus for general use7%
B41JTypewriters7%
B60BVehicle wheels7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
F16CShafts3%
F16JPistons3%
F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
PatentTitleYear
10,828,934Spacer to enhance lubrication for wheelend assembly202010,794,491Wheelend assembly seal20209,506,718'Paintball loader'20168,065,238'Performing robust cost analysis of a gas laser application'2011RE042606'Low insertion force tip/mandrel'2011D0544047'Paintball loader body'20076,977,866'Method and process for prediction of subsurface fluid and rock pressures in the earth'20056,973,845'Low insertion force tip/mandrel'20056,751,558'Method and process for prediction of subsurface fluid and rock pressures in the earth'20046,502,037'Method for gravity and magnetic data inversion using vector and tensor data with seismic imaging and geopressure prediction for oil, gas and mineral exploration and production'20026,473,696'Method and process for prediction of subsurface fluid and rock pressures in the earth'20026,424,918'Method for integrating gravity and magnetic inversion data with model based seismic data for oil, gas and mineral exploration and production'20025,816,232'Paintball loader having active feed mechanism'19985,736,720'Loader mounted paintball game scorekeeper and an associated paintball game playing system'1998D0393115'Cleaning device for paintball gun barrels'19985,307,268'Method for using P-S converted waves as a subsalt imaging tool'19945,282,454'Jam-free bulk loader for a paintball gun'19945,229,940'Method of extracting three dimensional information from a grid of two dimensional seismic data'19935,189,643'Method of accurate fault location using common reflection point gathers'19934,987,561'Seismic imaging of steeply dipping geologic interfaces'19914,794,573'Process for separating upgoing and downgoing events on vertical seismic profiles'19884,209,261'Ribbon cassette for oblique ribbon feeding'19804,016,965'Matrix print head and solenoid driver'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1980Patents assigned to NCR CO (2)· patent assignee history
1988–2004Patents assigned to CONOCO INC (9)· patent assignee history
1988–2005Based in Ponca City, OK, US· patent location history
1994–1998Patents assigned to CM SUPPORT INC (4)· patent assignee history
1994–1998Based in Mesquite, TX, US· patent location history
2005–2011Patents assigned to BECKMAN COULTER INC (2)· patent assignee history
2005–2011Based in Anaheim, CA, US· patent location history
2007–2016Based in Mullica Hill, NJ, US· patent location history
2011–2016Patents assigned to BELL DAVID W (2)· patent assignee history
2020Based in Hallsville, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CONOCO INC91988–2004
CM SUPPORT INC41994–1998
BECKMAN COULTER INC22005–2011
BELL DAVID Wself22011–2016
NCR CO21977–1980
Locations
LocationPatentsSpan
Ponca City, OK, US101988–2005
Mesquite, Texas, US41994–1998
Hallsville, Texas, US22020
Mullica Hill, New Jersey, US22007–2016
Anaheim, California, US22005–2011