IP Library › Assignment 033071/0933
Patent Assignment
Reel/Frame 033071/0933

Change of Name

Recorded: 2014-05-30 Pages: 5
Assignor
Assignee
BERKSHIRE HATHAWAY ENERGY COMPANY
666 GRAND AVENUE, SUITE 500, DES MOINES, IOWA, 50309-2580
Covered Properties (6)
Method and Device for Hydrogen Sulfide Abatement and Production of Sulfuric Acid
Patent: 6,056,934 →
Application: 09/075,024 →
Method for Cleaning Fouled Ion Exchange Resins
Patent: 6,080,696 →
Application: 09/128,593 →
Process for Producing Electrolytic Manganese Dioxide from Geothermal Brines
Patent: 6,682,644 →
Application: 10/160,809 →
Publication: US 2003/0226761
Process for Producing Electrolytic Manganese Dioxide
Patent: 7,776,202 →
Application: 10/763,357 →
Publication: US 2004/0149590
Method of Removing Iron and Calcium from a Geothermal Brine
Patent: 8,313,653 →
Application: 12/854,824 →
Publication: US 2011/0049062
Process for Depleting Calcium and/or Iron from Geothermal Brines
Patent: 8,894,865 →
Application: 13/677,168 →
Publication: US 2013/0068697
Related Assignments (11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 29, 1998
From: CARLSEN, BRUCE; SONNEVILLE, ALLEN
To: CALENERGY COMPANY, INC.
Reel/Frame 009285/0599 →
Assignment of Assignor's Interest Feb 12, 1999
From: DUKE, HILTON; FEATHERSONE, JOHN L.
To: CALENERGY COMPANY, INC.
Reel/Frame 009765/0149 →
Assignment of Assignor's Interest Feb 12, 1999
From: DUKE, HILTON; FEATHERSTONE, JOHN L.
To: CALENERGY COMPANY, INC.
Reel/Frame 009765/0167 →
Assignment of Assignor's Interest Jun 1, 1999
From: DUKE, HILTON; FEATHERSTONE, JOHN L.
To: CALENERGY COMPANY, INC.
Reel/Frame 009988/0635 →
Assignment of Assignor's Interest Jun 1, 1999
From: MARSTON, CHARLES R.
To: DOW CHEMICAL COMPANY, THE
Reel/Frame 009990/0047 →
Merger May 16, 2000
From: CALENERGY COMPANY, INC.
To: MIDAMERICAN ENERGY HOLDINGS COMPANY
Reel/Frame 010826/0567 →
Merger May 16, 2000
From: CALENERGY COMPANY, INC.
To: MIDAMERICAN ENERGY HOLDINGS COMPANY
Reel/Frame 010822/0401 →
Assignment of Assignor's Interest Sep 9, 2002
From: FEATHERSTONE, JOHN L.; FURMANSKI, GEORGE
To: MIDAMERICAN ENERGY HOLDINGS COMPANY
Reel/Frame 013066/0920 →
Assignment of Assignor's Interest Feb 12, 2008
From: FEATHERSTONE, JOHN L.; FURMANSKI, GEORGE
To: MIDAMERICAN ENERGY HOLDINGS COMPANY
Reel/Frame 020500/0176 →
Assignment of Assignor's Interest Aug 7, 2012
From: FEATHERSTONE, JOHN L.; FURMANSKI, GEORGE
To: MIDAMERICAN ENERGY HOLDINGS COMPANY
Reel/Frame 028743/0687 →
Assignment of Assignor's Interest Mar 27, 2013
From: FEATHERSTONE, JOHN L.; FURMANSKI, GEORGE
To: MIDAMERICAN ENERGY HOLDINGS COMPANY
Reel/Frame 030098/0832 →