Inventor

Kenneth R. Evans

Inventor

Spring, TX, US

Overview

34→

Patents

1980–2021

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 34 as inventor

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

E21Bprimary

E21BEarth or rock drilling29%

A61KPreparations for medical, dental or toiletry purposes12%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%

B23PMetal-working not otherwise provided for5%

B67DDispensing, delivering or transferring liquids, not otherwise provided for5%

C22CAlloys5%

G05DSystems for controlling or regulating non-electric variables5%

B22FWorking metallic powder3%

C21DModifying the physical structure of ferrous metals3%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals3%

PatentTitleYear

11,058,683Treating sexual desire disorders with flibanserin2021 10,908,065Light collection from objects within a fluid column2021 10,774,595Earth-boring tools with reduced vibrational response and related methods2020 10,704,376Sensors in earth-boring tools, related systems, and related methods2020 10,697,248Earth-boring tools and related methods2020 10,675,280Treating sexual desire disorders with flibanserin2020 10,662,755Sensors in earth-boring tools, related systems, and related methods2020 10,633,929Self-adjusting earth-boring tools and related systems2020 10,569,370Mechanical locking mechanism using shape memory materials2020 10,508,323Method and apparatus for securing bodies using shape memory materials2019 10,502,001Earth-boring tools carrying formation-engaging structures2019 10,458,189Earth-boring tools utilizing selective placement of polished and non-polished cutting elements, and related methods2019 10,344,537Earth-boring tools, methods of forming earth-boring tools, and methods of forming a borehole in a subterranean formation2019 10,307,420Treating sexual desire disorders with flibanserin2019 10,273,758Cutting elements comprising a low-carbon steel material, related earth-boring tools, and related methods2019 10,214,968Earth-boring tools including selectively actuatable cutting elements and related methods2019 10,107,040Earth-boring tool having back up cutting elements with flat surfaces formed therein and related methods2018 10,098,876Treating sexual desire disorders with flibanserin2018 10,072,464Earth-boring tools including formation-engaging structures having retention features and related methods2018 10,066,444Earth-boring tools including selectively actuatable cutting elements and related methods2018 10,047,565Cutting element retention for high exposure cutting elements on earth-boring tools2018 10,005,158Earth-boring tools with precise cutter pocket location and orientation and related methods2018 9,902,607'Liquid transportation'2018 9,782,403'Treating sexual desire disorders with flibanserin'2017 9,499,389'Liquid transportation'2016 9,468,639'Treating sexual desire disorders with flibanserin'2016 9,359,826'Formation-engaging structures having retention features, earth-boring tools including such structures, and related methods'2016 9,303,460'Cutting element retention for high exposure cutting elements on earth-boring tools'2016 8,905,089'Liquid transportation'2014 8,227,471'Treating sexual desire disorders with flibanserin'2012 7,151,103'Method of treating female hypoactive sexual desire disorder with flibanserin'2006 4,557,810'Bonded asbestos diaphragms'1985 4,530,749'Bonded asbestos diaphragms'1985 4,201,126'Nut cracking apparatus'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Based in Russellville, AR, US· patent location history

2006–2021Based in Toronto, CA· patent location history

2012–2021Patents assigned to SPROUT PHARMACEUTICALS INC (7)· patent assignee history

2014–2018Patents assigned to CHS INC (3)· patent assignee history

2014–2016Based in Kennewick, WA, US· patent location history

2016–2020Patents assigned to BAKER HUGHES INC (10)· patent assignee history

2016–2020Based in Spring, TX, US· patent location history

2018–2020Patents assigned to BAKER HUGHES A GE CO LLC (9)· patent assignee history

2020Patents assigned to BAKER HUGHES OILFIELD OPERATIONS LLC (2)· patent assignee history

2021Based in College Station, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAKER HUGHES INC	10	2016–2020
BAKER HUGHES A GE CO LLC	9	2018–2020
SPROUT PHARMACEUTICALS INC	7	2012–2021
CHS INC	3	2014–2018
BAKER HUGHES OILFIELD OPERATIONS LLC	2	2020

Locations

Location	Patents	Span
Spring, Texas, US	18	2016–2020
Toronto, CA	8	2006–2021
Kennewick, Washington, US	2	2014–2016
Russellville, AR, US	2	1985
College Station, Texas, US	1	2021