LexDanaLexDanabeta
Inventor

John Bailey

Inventor
Spanish Fork, UT, US

Overview

38→
Patents
1978–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 38 as inventor

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

E21Bprimary
E21BEarth or rock drilling54%
E21CMining or quarrying8%
B41JTypewriters6%
A47JKitchen equipment4%
B02CCrushing, pulverising, or disintegrating in general4%
B24DTools for grinding, buffing or sharpening2%
B28DWorking stone or stone-like materials2%
B60GVehicle suspension arrangements2%
E02FDredging2%
E05DHinges or suspension devices for doors, windows or wings2%
PatentTitleYear
10,378,288Downhole drill bit incorporating cutting elements of different geometries20199,915,102'Pointed working ends on a bit'20189,708,856'Downhole drill bit'20179,540,886'Thick pointed superhard material'20179,145,742'Pointed working ends on a drill bit'20159,051,795'Downhole drill bit'20159,051,794'High impact shearing element'20158,998,346'Attack tool with an interruption'20158,783,845'System for aligning driven and idler rollers in printer'20148,651,654'Pinch roller apparatus for printer'20148,622,155'Pointed diamond working ends on a shear bit'20148,590,644'Downhole drill bit'20138,567,942'System for transporting media in printer'20138,528,664'Downhole mechanism'20138,136,887'Non-rotating pick with a pressed in carbide segment'20128,122,980'Rotary drag bit with pointed cutting elements'20128,109,349'Thick pointed superhard material'20128,028,774'Thick pointed superhard material'20118,020,471'Method for manufacturing a drill bit'20118,011,457'Downhole hammer assembly'20117,967,082'Downhole mechanism'20117,886,851'Drill bit nozzle'20117,762,353'Downhole valve mechanism'20107,694,756'Indenting member for a drill bit'20107,669,938'Carbide stem press fit into a steel body of a pick'20107,641,003'Downhole hammer assembly'20107,641,002'Drill bit'20107,624,824'Downhole hammer assembly'20097,571,782'Stiffened blade for shear-type drill bit'20097,549,489'Jack element with a stop-off'20097,527,110'Percussive drill bit'20097,523,794'Wear resistant assembly'20097,451,944'Replaceable segmented wear liner'2008D0554162'Diamond enhanced cutting element'20075,123,337'Sous vide reheating device'19925,097,759'Sous vide reheating device'19924,756,374'Vehicle load sensing device'19884,109,847'Method for replacing different railroad car door roller assemblies'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Based in Alexandria, VA, US· patent location history
2007–2017Patents assigned to BAILEY JOHN (20)· patent assignee history
2007–2017Patents assigned to HALL DAVID R (20)· patent assignee history
2007–2019Based in Provo, UT, US· patent location history
2008–2017Patents assigned to CROCKETT RONALD B (10)· patent assignee history
2008–2017Patents assigned to JEPSON JEFF (6)· patent assignee history
2010–2019Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (19)· patent assignee history
2010–2018Based in Spanish Fork, UT, US· patent location history
2013–2014Based in San Diego, CA, US· patent location history
2015Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAILEY JOHNself202007–2017
HALL DAVID R202007–2017
SCHLUMBERGER TECHNOLOGY CORP192010–2019
CROCKETT RONALD B102008–2017
JEPSON JEFF62008–2017
Locations
LocationPatentsSpan
Spanish Fork, UT, US182010–2018
Provo, UT, US122007–2019
San Diego, California, US32013–2014
Alexandria, Virginia, US21992
Houston, Texas, US12015