8 patents
Utility
Systems and methods for aqueous recovery of lead from lead acid batteries with reduced electrolyte demand
25 Jul 23
Lead is recovered from lead paste of a lead acid battery in a continuous and electrochemical lead recovery process.
Samaresh Mohanta, Joshua Hufford
Filed: 12 Jun 20
Utility
Devices and method for smelterless recycling of lead acid batteries
1 Feb 22
Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting.
Brian Dougherty, Michael John King, Robert Lewis Clarke, Stephen R. Clarke, Michael David Hurwitz
Filed: 9 May 19
Utility
ct1l9wd3hfhao6deurv8yv19oylsrtw
27 Jul 21
Lead is recycled from lead paste of lead acid batteries in a process that employs alkaline desulfurization followed by formation of plumbite that is then electrolytically converted to pure lead.
Robert Lewis Clarke, Samaresh Mohanta
Filed: 7 Jun 19
Utility
gkmffn0zenolhgxfou0ordhks5ykbnr4 y94qt17y9uauzpo5hxsrx
8 Jun 21
Lead is recovered from lead paste of a lead acid battery in a continuous process.
Robert Lewis Clarke, Brian Dougherty, Richard Clarke, Samaresh Mohanta
Filed: 13 May 16
Utility
cgpn9qejfpwd47z0b7dda3a8kpdpk5wlbfjr0m
5 Oct 20
A closed loop electrochemical process of recovery of high-purity lead uses continuous formation of adherent lead on a cathode from an electrolyte that is used to dissolve desulfated lead paste.
Stephen R. Clarke, Robert Lewis Clarke, Brian Dougherty
Filed: 12 May 16
Utility
9kyplccbhjauixte2yd7z3pqpzfkapjhecbtt7qc68dc6ismdc
22 Jun 20
The inventive subject matter is directed to continuous electrochemical production of highly pure micro- or nanostructured lead that at least partially encloses the electroprocessing solvent and molecular hydrogen and optional guest compounds to form a mixed matrix.
Stephen R. Clarke, Michael John King, Brian Dougherty, Michael David Hurwitz
Filed: 12 May 16
Utility
r1hcre7 c9souzk1nfu3pnk2g87kiq1p
25 May 20
Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting.
Stephen R. Clarke, Robert Lewis Clarke, Michael David Hurwitz, Michael John King, Selwyn Mould
Filed: 12 Nov 17
Utility
2wulqeaot 6tcrqq13b8qps
17 Feb 20
Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting.
Stephen R. Clarke, Robert Lewis Clarke, Michael David Hurwitz, Michael John King, Selwyn Mould
Filed: 12 Nov 17
- Prev
- 1
- Next
Patents are sorted by USPTO publication date, most recent first