Inventor

Sam Lewis

Inventor
Duncan, OK, US

Overview

25→
Patents
2008–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 25 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere34%
C04BLime, magnesia27%
E21BEarth or rock drilling12%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management12%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08LCompositions of macromolecular compounds4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
G06FElectric digital data processing1%
G06KGraphical data reading1%
PatentTitleYear
10,723,934Surfactants for use in liquid suspensions of lightweight beads202010,717,916Cement admixture including polymers202010,633,571Oil-in-water stable, emulsified spacer fluids202010,351,753Corrosion-resistant refractory binder compositions and oil well completion and production operations201910,087,356Oil-in-water stable, emulsified spacer fluids20189,359,257'Particulate flow enhancing additives and associated methods'20169,096,466'Particulate flow enhancing additives and associated methods'20158,940,669'Density-matched suspensions and associated methods'20158,546,310'Density-matched suspensions and associated methods'20138,342,244'Methods and apparatuses for releasing a chemical into a well bore upon command'20138,162,055'Methods of activating compositions in subterranean zones'20128,136,594'Methods and apparatuses for releasing a chemical into a well bore upon command'20128,083,849'Activating compositions in subterranean zones'20118,047,282'Methods of sonically activating cement compositions'20117,893,011'Compositions comprising Sorel cements and oil based fluids'20117,842,652'Cement compositions comprising humic acid grafted fluid loss control additives'20107,763,572'Compositions comprising quaternary material and sorel cements'20107,757,766'Density-matched suspensions and associated methods'20107,576,042'Salt water stable latex cement slurries'20097,576,040'Cement compositions comprising humic acid grafted fluid loss control additives'20097,523,784'Method of using humic acid grafted fluid loss control additives in cementing operations'20097,431,086'Methods of servicing a wellbore with compositions comprising quaternary material and sorel cements'20087,388,045'Cement compositions comprising lignite grafted fluid loss control additives'20087,360,598'Method of using lignite grafted fluid loss control additives in cementing operations'20087,350,575'Methods of servicing a wellbore with compositions comprising Sorel cements and oil based fluids'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2015Patents assigned to HALLIBURTON ENERGY SERV INC (18)· patent assignee history
2008–2015Based in Duncan, OK, US· patent location history
2011–2015Patents assigned to LEWIS SAM (5)· patent assignee history
2011–2012Patents assigned to BADALAMENTI ANTHONY (2)· patent assignee history
2012–2013Patents assigned to BROTHERS LANCE E (2)· patent assignee history
2015–2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (7)· patent assignee history
2015–2016Based in Houston, TX, US· patent location history
2018–2020Based in Spring, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC182008–2015
HALLIBURTON ENERGY SERVICES INC72015–2020
LEWIS SAMself52011–2015
BADALAMENTI ANTHONY22011–2012
BROTHERS LANCE E22012–2013
Locations
LocationPatentsSpan
Duncan, OK, US182008–2015
Spring, Texas, US52018–2020
Houston, Texas, US22015–2016