Falk; David O.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Falk; David O..The latest application filed is for "polyvinyl sulfonate scale inhibitor".

Company Profile

0.19.0

Falk; David O. - Denver CO

*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
Polyvinyl sulfonate scale inhibitor Grant 5,092,404 - Falk , et al. March 3, 1	1992-03-03
Method of gravel packing a subterranean well Grant 5,062,484 - Schroeder, Jr. , et al. November 5, 1	1991-11-05
Gel composition and method of treatment Grant 5,010,954 - Falk April 30, 1	1991-04-30
Gel composition and method of treatment Grant 4,968,442 - Falk November 6, 1	1990-11-06
Method of protecting a permeable formation Grant 4,930,575 - Falk June 5, 1	1990-06-05
Method of treating a permeable formation Grant 4,928,763 - Falk May 29, 1	1990-05-29
Polymer gelation process for oil recovery applications Grant 4,688,639 - Falk August 25, 1	1987-08-25
Process for selectively plugging permeable zones in a subterranean formation Grant 4,485,875 - Falk December 4, 1	1984-12-04
Process for selectively plugging a subterranean formation with a polymer gel Grant 4,461,352 - Falk July 24, 1	1984-07-24
Process for partially or completely plugging permeable zones in a subterranean formation Grant 4,461,351 - Falk July 24, 1	1984-07-24
Process for cleaning a subterranean injection surface and for selectively reducing the permeability of a subterranean formation Grant 4,343,363 - Norton , et al. August 10, 1	1982-08-10
Polyacrylamide polymers derived from acrylonitrile without intermediate isolation Grant 4,016,086 - Norton , et al. * April 5, 1	1977-04-05
Injectivity In Supplemented Oil Recovery Grant 3,827,499 - Norton , et al. August 6, 1	1974-08-06
Carboxy Vinyl Polymer And Sulfonated Alkyl Acrylamide Polymer Mobility Control Agent And Process Grant 3,825,068 - Norton , et al. July 23, 1	1974-07-23
Oil Recovery With Vinyl Sulfonic Acid-acrylamide Copolymers Grant 3,779,917 - Norton , et al. December 18, 1	1973-12-18
Petroleum Recovery Process Utilizing Formaldehyde-sulfite-reacted Polyacrylamide Grant 3,760,879 - Norton , et al. September 25, 1	1973-09-25
Oil Recovery With Methylolated Polyacrylamide Thickener Grant 3,747,676 - Norton , et al. July 24, 1	1973-07-24
Oil Recovery With Sulfomethylated Poly (lower Alkyl Vinyl Ether/maleic Anhydride) Grant 3,734,187 - Norton , et al. May 22, 1	1973-05-22
Oil Recovery Process Using Polyalkene Oxide Polymer Solutions With Added Cations Grant 3,692,113 - Norton , et al. September 19, 1	1972-09-19

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