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John O'Callaghan — 13 Patents

HEH4 Engineering: 6 patents #6 of 8Top 75%
OOOutotec (Finland) Oy: 4 patents #24 of 247Top 10%
UCUniversity College Cork—National University Of Ireland, Cork: 1 patents #46 of 167Top 30%
WRWmc Resources: 1 patents #4 of 16Top 25%
San Antonio, TX: #377 of 5,017 inventorsTop 8%
Texas: #11,592 of 125,132 inventorsTop 10%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
John O'Callaghan has been granted 13 US patents while listed as an inventor at H4 Engineering. The first was granted in 1998 and the most recent in February 2021. John O'Callaghan ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list John O'Callaghan in San Antonio, TX, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10907237 Method for recovering gold Mari Lundström, Riina Ahtiainen 2021-02-02
10669608 Process for recovering gold Mari Lundström, Timo Haakana, Riina Ahtiainen, Janne Karonen 2020-06-02
10323295 Energy and water recovery from pressure oxidation flash vessel steam Timo Haakana, Risto Pieviläinen 2019-06-18
9920396 Top-entry flash vessel arrangement — 2018-03-20
9253376 Portable video recording system with automatic camera orienting and velocity regulation of the orienting for recording high quality video of a freely moving subject Christopher T. Boyle, Scott K. Taylor, Alexander G. Sammons, Denes Marton 2016-02-02
9160899 Feedback and manual remote control system and method for automatic video recording Christopher T. Boyle, Scott K. Taylor, Alexander G. Sammons 2015-10-13
D704762 Mounting and positioning unit for electronic recording device Christopher T. Boyle, Scott K. Taylor, Alexander G. Sammons 2014-05-13
D703719 Electronic communication device Christopher T. Boyle, Scott K. Taylor, Alexander G. Sammons, Christian V. Elder 2014-04-29
8704904 Portable system for high quality video recording Christopher T. Boyle, Scott K. Taylor, Alexander G. Sammons, Denes Marton 2014-04-22
D684210 Camera mounting and positioning device Christopher T. Boyle, Scott K. Taylor, Alexander G. Sammons, Christian V. Elder 2013-06-11
7727496 Solvent extraction of impurity metals from a valuable metal sulphate solution Tony Chamberlain 2010-06-01
7560234 Detection of ochratoxin A producing fungi Alan Dobson 2009-07-14
5769705 Thermostatically controlled enclosure for temperature sensitive equipment John Nelson, Paul G. Mandel, R. Paul McGraw 1998-06-23

Nearby-Ranked Inventors

Jianping Shen13
Eric John Telfeyan13
George R. Breiwa, III13
Thomas Sugar13
Andrew Howley13
Howard Halpern13
Po-Yuan Wang13
Douglas Vanesko13
Tanuj Trivedi13