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Inventor

Kenneth L. Havlinek

Inventor
Houston, TX, US

Overview

13→
Patents
1997–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 13 as inventor

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

E21Bprimary
E21BEarth or rock drilling40%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
B23KSoldering or unsoldering7%
H04BTransmission7%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects3%
B66CCranes3%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids3%
F04DNon-positive-displacement pumps3%
F16LPipes3%
PatentTitleYear
10,337,273Systems, tools and methods for well decommissioning20199,399,269'Systems, tools and methods for high power laser surface decommissioning and downhole welding'20167,934,547'Apparatus and methods to control fluid flow in a downhole tool'20117,458,252'Fluid analysis method and apparatus'20087,178,591'Apparatus and method for formation evaluation'20077,069,998'Fuel cell for downhole and subsea power systems'20066,811,382'Integrated pumping system for use in pumping a variety of fluids'20046,766,854'Well-bore sensor apparatus and method'20046,686,079'Fuel cell for downhole power systems'20046,575,248'Fuel cell for downhole and subsea power systems'20035,779,085'Expandable pin plug for automated use'19985,746,279'Method and apparatus for changing bits while drilling with a flexible shaft'19985,687,806'Method and apparatus for drilling with a flexible shaft while using hydraulic assistance'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to GAS RES INST (3)· patent assignee history
1997–1998Based in Missouri City, TX, US· patent location history
1998Based in Trumbull, CT, US· patent location history
2003–2011Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (8)· patent assignee history
2003–2011Based in Houston, TX, US· patent location history
2016–2019Patents assigned to FORO ENERGY INC (2)· patent assignee history
2016Patents assigned to FAIRCLOTH BRIAN O (1)· patent assignee history
2016Patents assigned to GRUBB DARYL L (1)· patent assignee history
2016–2019Based in Katy, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP82003–2011
GAS RES INST31997–1998
FORO ENERGY INC22016–2019
FAIRCLOTH BRIAN O12016
GRUBB DARYL L12016
Locations
LocationPatentsSpan
Houston, Texas, US82003–2011
Katy, Texas, US22016–2019
Missouri City, Texas, US21997–1998
Trumbull, CT, US11998