GK

Geoffrey W. Keech

JM Joy Global Underground Mining: 11 patents #1 of 130Top 1%
JD Joy Mm Delaware: 1 patents #73 of 162Top 50%
Overall (All Time): #399,466 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12385395 Cutter head for mining machine Russell P. Smith, Andrew D. Hunter, Peter A. Lugg, Ian B. Schirmer, Christopher Coates +1 more 2025-08-12
11846190 Rock cutting device Peter A. Lugg 2023-12-19
11725512 Method for removing material from a rock wall Russell P. Smith, Andrew D. Hunter, Peter A. Lugg, Ian B. Schirmer, Christopher Coates +1 more 2023-08-15
11598208 Machine supporting rock cutting device Peter A. Lugg, Stuart Reeves, Nagy Daher 2023-03-07
11371346 Cutter head for mining machine Russell P. Smith, Andrew D. Hunter, Peter A. Lugg, Ian B. Schirmer, Christopher Coates +1 more 2022-06-28
11203930 Machine supporting rock cutting device Peter A. Lugg, Stuart Reeves, Nagy Daher 2021-12-21
10876399 Mining machine with multiple cutter heads Peter A. Lugg, Bradley M. Neilson, Nagy Daher, Ric Boyd 2020-12-29
10550693 Machine supporting rock cutting device Peter A. Lugg 2020-02-04
10533416 Rock cutting device Peter A. Lugg 2020-01-14
10472961 Cutter head for mining machine Russell P. Smith, Andrew D. Hunter, Peter A. Lugg, Ian B. Schirmer, Christopher Coates +1 more 2019-11-12
10415384 Mining machine with multiple cutter heads Peter A. Lugg, Bradley M. Neilson, Nagy Daher, Ric Boyd 2019-09-17
9470087 Cutter head for mining machine Russell P. Smith, Andrew D. Hunter, Peter A. Lugg, Ian B. Schirmer, Christopher Coates +1 more 2016-10-18