Schriesheim
Germany
3
2009-08-20
Peter Williamson from Schriesheim, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
ON-SITE ASSEMBLABLE PACKER ELEMENT FOR DOWNWELL PACKING SYSTEM
#2 | 2009-08-20DOWNWELL SYSTEM WITH ACTIVATABLE SWELLABLE PACKER
#3 | 2009-08-20DOWNWELL SYSTEM WITH DIFFERENTIALLY SWELLABLE PACKER
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