John C. Hancock

Follow

Person

Port Isabel, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for sludge removal from a tank
- Patent number 9,370,806
- Issue date Jun 21, 2016
- JR & JH HOLDINGS LLC
- John C. Hancock
- B08 - CLEANING
Information Patent Grant
Method and apparatus for sludge removal from a tank
- Patent number 9,108,230
- Issue date Aug 18, 2015
- JR & JH HOLDINGS LLC
- John C. Hancock
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Sludge Removal From a Tank
- Publication number 20110315798
- Publication date Dec 29, 2011
- John C. Hancock
- B08 - CLEANING
Information Patent Application
Method and Apparatus for Sludge Removal From a Tank
- Publication number 20090071510
- Publication date Mar 19, 2009
- JR & JH Holdings, LLC
- John C. Hancock
- B08 - CLEANING
Information Patent Application
Hydrocarbon Tank Cleaning Methods
- Publication number 20080023039
- Publication date Jan 31, 2008
- JR & JH Holdings, LLC
- John C. Hancock
- B08 - CLEANING
Information Patent Application
Methods and Systems For Operating Large Hydrocarbon Storage Facilities
- Publication number 20080023040
- Publication date Jan 31, 2008
- JR & JH Holdings, LLC
- John C. Hancock
- B08 - CLEANING
Information Patent Application
Hydrocarbon Tank Cleaning Systems
- Publication number 20080023050
- Publication date Jan 31, 2008
- JR & JH Holdings, LLC
- John C. Hancock
- B08 - CLEANING