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Ralph Peter Hackl — 18 Patents

BGBarrick Gold: 9 patents #6 of 68Top 9%
TLTechnological Resources Pty Limited: 4 patents #28 of 192Top 15%
Burnaby, CA: #46 of 1,166 inventorsTop 4%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Ralph Peter Hackl has been granted 18 US patents. The first was granted in 1986 and the most recent in December 2024. Ralph Peter Hackl ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Ralph Peter Hackl in Burnaby, BC, CA.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
RE50227 Leaching copper-containing ores Paul Leslie Brown, Stephen Charles Grocott, Daniel Arthur Kittelty 2024-12-03
11236407 Metal recovery by leaching agglomerates of metal-containing material/pyrite Mark James Fennel, Paul Leslie Brown, Adam James Burley, Javiera del Pilar Alcayaga Zuñiga, Yure Anton Mladinic Muñoz 2022-02-01
10563287 Leaching copper-containing ores Paul Leslie Brown, Stephen Charles Grocott, Daniel Arthur Kittelty 2020-02-18
10563284 Leaching copper-containing ores Daniel Arthur Kittelty, Paul Leslie Brown, Pauline Maree Najjar, Anna Zonneveld, Jason Maurice Young 2020-02-18
10526685 Heap leaching Paul Leslie Brown, Stephen Charles Grocott 2020-01-07
8821613 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Christopher Andrew Fleming, Paul George West-Sells 2014-09-02
8597399 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Christopher Andrew Fleming, Paul George West-Sells 2013-12-03
8097227 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Paul George West-Sells 2012-01-17
7722840 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Paul George West-Sells 2010-05-25
7704298 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Christopher Andrew Fleming, Paul George West-Sells 2010-04-27
7559974 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Christopher Andrew Fleming, Paul George West-Sells 2009-07-14
7544232 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Paul George West-Sells 2009-06-09
7066983 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Christopher Andrew Fleming, Paul George West-Sells 2006-06-27
6660059 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Christopher Andrew Fleming, Paul George West-Sells 2003-12-09 $72,231,000
5089412 Bacteria for oxidizing multimetallic sulphide ores Frank R. Wright, Albert Bruynesteyn 1992-02-18
4987081 Chemical/biological process to oxidize multimetallic sulphide ores Frank R. Wright, Albert Bruynesteyn 1991-01-22
4888293 Adapting bacteria to low pH and high arsenic concentration for use in oxidizing sulfide ores Frank R. Wright, Albert Bruynesteyn 1989-12-19
4571387 Biological-acid leach process Albert Bruynesteyn, Richard W. Lawrence, Andrew I. Vizsolyi 1986-02-18

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