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Inventor

Leonard H. Switzer

Inventor
Rifle, CO, US

Overview

2→
Patents
2008–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation20%
C01BNon-metallic elements20%
E21BEarth or rock drilling20%
F23LSupplying air or non-combustible liquids or gases to combustion apparatus in general20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
PatentTitleYear
9,464,513'System for providing uniform heating to subterranean formation for recovery of mineral deposits'20167,384,452'Fluid heating method'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to PRAXAIR TECHNOLOGY INC (1)· patent assignee history
2008Based in Corfu, NY, US· patent location history
2016Patents assigned to AMERICAN SHALE OIL LLC (1)· patent assignee history
2016Patents assigned to BURNHAM ALAN K (1)· patent assignee history
2016Patents assigned to DAY ROGER L (1)· patent assignee history
2016Patents assigned to MCCONAGHY JAMES R (1)· patent assignee history
2016Based in Rifle, CO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMERICAN SHALE OIL LLC12016
BURNHAM ALAN K12016
DAY ROGER L12016
MCCONAGHY JAMES R12016
PRAXAIR TECHNOLOGY INC12008
Locations
LocationPatentsSpan
Rifle, CO, US12016
Corfu, New York, US12008