LexDanaLexDanabeta
Inventor

Robert K. Michael

Inventor
Frisco, TX, US

Overview

14→
Patents
1994–2017
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 14 as inventor

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

E21Bprimary
E21BEarth or rock drilling44%
H02NElectric machines not otherwise provided for12%
F03GSpring, weight, inertia or like motors8%
B01DSeparation4%
B04BCentrifuges4%
F15BSystems acting by means of fluids in general4%
F15CFluid-circuit elements predominantly used for computing or control purposes4%
F16KValves4%
G01VGeophysics4%
H02KDynamo-electric machines4%
PatentTitleYear
9,850,752Hydraulically-metered downhole position indicator20178,757,256'Orbital downhole separator'20147,404,416'Apparatus and method for creating pulsating fluid flow, and method of manufacture for the apparatus'20087,199,480'Vibration based power generator'20076,801,135'Webserver-based well instrumentation, logging, monitoring and control'20046,776,238'Single trip method for selectively fracture packing multiple formations traversed by a wellbore'20046,772,837'Screen assembly having diverter members and method for progressively treating an interval of a welibore'20046,768,214'Vibration based power generator'20046,702,019'Apparatus and method for progressively treating an interval of a wellbore'20046,644,404'Method of progressively gravel packing a zone'20036,588,507'Apparatus and method for progressively gravel packing an interval of a wellbore'20036,543,544'Low power miniature hydraulic actuator'20036,504,258'Vibration based downhole power generator'20035,284,320'Surface valve with pressure energized seal and gear actuation'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to HALLIBURTON CO (1)· patent assignee history
1994Based in Lewisville, TX, US· patent location history
2003–2014Patents assigned to HALLIBURTON ENERGY SERV INC (12)· patent assignee history
2003–2014Based in Frisco, TX, US· patent location history
2003–2004Based in Plano, TX, US· patent location history
2014Patents assigned to HAMID SYED (1)· patent assignee history
2014Patents assigned to LI LIPING (1)· patent assignee history
2017Patents assigned to HALLIBURTON ENERGY SERVICES INC (1)· patent assignee history
2017Based in Sachse, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC122003–2014
HALLIBURTON CO11994
HALLIBURTON ENERGY SERVICES INC12017
HAMID SYED12014
LI LIPING12014
Locations
LocationPatentsSpan
Frisco, Texas, US62003–2014
Plano, Texas, US62003–2004
Sachse, Texas, US12017
Lewisville, Texas, US11994