Inventor
Lyndon R. Stone
Inventor
Humble, TX, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling35%
B01DSeparation15%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents12%
B04BCentrifuges9%
G02BOptical elements, systems or apparatus6%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines6%
Y10TTechnical subjects covered by former us classification6%
B23PMetal-working not otherwise provided for3%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
PatentTitleYear
10,155,230Centrifuge for separating solids from solids laden drilling fluid20188,746,459'Automatic vibratory separator'20148,561,805'Automatic vibratory separator'20137,571,817'Automatic separator or shaker with electromagnetic vibrator apparatus'20097,540,838'Centrifuge control in response to viscosity and density parameters of drilling fluid'20097,540,837'Systems for centrifuge control in response to viscosity and density parameters of drilling fluids'20097,306,057'Thermal drill cuttings treatment with weir system'20077,278,540'Adjustable basket vibratory separator'20075,599,004'Apparatus for the injection of cable into coiled tubing'19975,503,370'Method and apparatus for the injection of cable into coiled tubing'19964,450,912'Method and apparatus for well cementing through a tubular member'19844,446,745'Apparatus for counting turns when making threaded joints including an increased resolution turns counter'19844,436,151'Apparatus for well cementing through a tubular member'19844,402,052'Apparatus for making threaded joints incorporating a make-up speed controller'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1984Patents assigned to BAKER INT CORP (2)· patent assignee history
1983–1984Based in San Antonio, TX, US· patent location history
1984Patents assigned to BAKER OIL TOOLS INC (2)· patent assignee history
1996–2013Based in Humble, TX, US· patent location history
2007–2009Patents assigned to VARCO INT (5)· patent assignee history
2013–2018Patents assigned to NAT OILWELL VARCO LP (3)· patent assignee history
2013–2014Patents assigned to GUGGARI MALLAPA ISHWARAPPA (2)· patent assignee history
2014–2018Based in Porter, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VARCO INT | 5 | 2007–2009 |
| NAT OILWELL VARCO LP | 3 | 2013–2018 |
| BAKER INT CORP | 2 | 1983–1984 |
| BAKER OIL TOOLS INC | 2 | 1984 |
| GUGGARI MALLAPA ISHWARAPPA | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Humble, Texas, US | 8 | 1996–2013 |
| San Antonio, Texas, US | 4 | 1983–1984 |
| Porter, Texas, US | 2 | 2014–2018 |