Lehmann; Marc N.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lehmann; Marc N..The latest application filed is for "hydrocarbon wells treated with low dosage kinetic hydrate inhibitors".

Company Profile

1.14.16

Lehmann; Marc N. - Perth AU
Lehmann; Marc N. - Houston TX
Lehmann; Marc N. - Inglewood N/A AU

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Dispersing fines in hydrocarbon applications using artificial lift Grant 10,604,714 - Lehmann , et al.	2020-03-31
Hydrocarbon wells treated with low dosage kinetic hydrate inhibitors Grant 10,392,903 - Spencer , et al. A	2019-08-27
Hydrocarbon Wells Treated With Low Dosage Kinetic Hydrate Inhibitors App 20180313191 - Spencer; Howard James ; et al.	2018-11-01
Low dosage kinetic hydrate inhibitors for natural gas production systems Grant 10,018,017 - Spencer , et al. July 10, 2	2018-07-10
Dispersing Fines In Hydrocarbon Applications Using Artificial Lift App 20180066198 - Lehmann; Marc N. ; et al.	2018-03-08
Dispersing fines in hydrocarbon applications using artificial lift Grant 9,828,560 - Lehmann , et al. November 28, 2	2017-11-28
Lubricity Agents To Increase Pump Efficiency In Hydrate Inhibitor Applications App 20170158944 - BIGGERSTAFF; PAUL J. ; et al.	2017-06-08
Lubricity agents to increase pump efficiency in hydrate inhibitor applications Grant 9,605,196 - Biggerstaff , et al. March 28, 2	2017-03-28
Application of oxygen scavengers to glycol systems Grant 9,249,516 - Lehmann , et al. February 2, 2	2016-02-02
Low Dosage Kinetic Hydrate Inhibitors For Natural Gas Production Systems App 20150322746 - SPENCER; HOWARD JAMES ; et al.	2015-11-12
Low Dosage Kinetic Hydrate Inhibitors For Natural Gas Production Systems App 20150322330 - SPENCER; HOWARD JAMES ; et al.	2015-11-12
Oilfield chemicals with attached spin probes Grant 9,170,250 - Lehmann , et al. October 27, 2	2015-10-27
Low dosage kinetic hydrate inhibitors for natural gas production systems Grant 9,145,465 - Spencer , et al. September 29, 2	2015-09-29
Dispersing Fines In Hydrocarbon Applications Using Artificial Lift App 20150159104 - LEHMANN; MARC N. ; et al.	2015-06-11
Application Of Oxygen Scavengers To Glycol Systems App 20140314620 - Lehmann; Marc N. ; et al.	2014-10-23
Dispersing sulfide scales in oil and gas production systems Grant 8,703,655 - Lehmann , et al. April 22, 2	2014-04-22
Method for recovering oil from an oil well Grant 8,579,035 - Lehrer , et al. November 12, 2	2013-11-12
Oilfield Chemicals with Attached Spin Probes App 20130236983 - Lehmann; Marc N. ; et al.	2013-09-12
Lubricity Agents to Increase Pump Efficiency in Hydrate Inhibitor Applications App 20130130941 - Biggerstaff; Paul J. ; et al.	2013-05-23
Low Dosage Kinetic Hydrate Inhibitors for Natural Gas Production Systems App 20130098623 - Spencer; Howard James ; et al.	2013-04-25
Process For Reducing The Concentration Of Hydrate Inhibitors In Water Used For Oil And Gas Production App 20120247972 - Spencer; Howard J. ; et al.	2012-10-04
Method of Removing Multi-Valent Metals From Crude Oil App 20120187049 - Nguyen; Tran ; et al.	2012-07-26
Method For Recovering Oil From An Oil Well App 20110024131 - Lehrer; Scott E. ; et al.	2011-02-03
Dispersing Sulfide Scales in Oil and Gas Production Systems App 20090143252 - Lehmann; Marc N. ; et al.	2009-06-04

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