Mark E. Ehrhardt — 7 Patents at ExxonMobil

Mark E. Ehrhardt has been granted 7 US patents while listed as an inventor at ExxonMobil. The first was granted in 1989 and the most recent in December 2022. Mark E. Ehrhardt ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Mark E. Ehrhardt in Houston, TX, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11528837	Real-time agricultural recommendations using weather sensing on equipment	John M. McNichols, Atif Khan, Sourindu Chatterjee, Christopher James Goodman	2022-12-20
8959931	Transporting and managing liquefied natural gas	William S. Mathews	2015-02-24	$124,776,000
7836840	Subsea cryogenic fluid transfer system	William S. Mathews, Dawn Rymer, W. Brett Wilson	2010-11-23	$71,934,000
6668943	Method and apparatus for controlling pressure and detecting well control problems during drilling of an offshore well using a gas-lifted riser	L. Donald Maus, Torney M. Van Acker	2003-12-30	$104,874,000
6578637	Method and system for storing gas for use in offshore drilling and production operations	L. Donald Maus	2003-06-17	$249,594,000
6102843	Flow enhanced one-pass centrifuge separator	Lonny R. Kelley, Mukhtiar S. Purewal, Jeffrey W. Frederick, Houston G. Wood, James P. Johnston	2000-08-15	$285,513,000
4846780	Centrifuge processor and liquid level control system	Jimmie G. Galloway, Lonny R. Kelley, Tracy A. Fowler	1989-07-11	$57,782,000

Mark E. Ehrhardt — 7 Patents

Issued Patents All Time

Patent Widget