Spring, Texas
United States
7
2019-07-04
The entities that hold a legal rights for patent applications filed by inventor PERSCHKE Malcolm:
Malcolm PERSCHKE from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole cement flow
#2 | 2019-07-04Downhole cement flow
#3 | 2016-08-04Downhole cement flow
#4 | 2016-07-21SYSTEM AND METHODOLOGY FOR RUNNING CASING STRINGS THROUGH A CONDUCTOR TUBE
#5 | 2011-12-01Cutting tool
#6 | 2010-01-14Methods of making multiple casing cuts
#7 | 2008-04-24Milling system and method of milling
1597898 ⎘