JS

John E. Schwartz

MC Montana Sulphur & Chemical: 3 patents #3 of 4Top 75%
DM Dynatect Manufacturing: 1 patents #3 of 7Top 45%
TD The Drackett: 1 patents #44 of 99Top 45%
📍 Billings, MT: #9 of 273 inventorsTop 4%
🗺 Montana: #256 of 3,198 inventorsTop 9%
Overall (All Time): #557,383 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11420818 Movable cover for fluid containment tanks Brad Poikonen, Steven Piacsek 2022-08-23
D452301 Combination unit for heating, lighting and debugging an area Daniel Schwartz, Sam Tsao 2001-12-18
5465753 Safety vessel and valve assembly 1995-11-14
D348312 Ceramic fragrance jar Carl Triplett, Sharon L. Norris, Marcy Linda 1994-06-28
5303843 Fluid transport apparatus with water hammer eliminator system Donald L. Zink, Donald G. Zink 1994-04-19
5280874 Internal valve Donald L. Zink, Donald G. Zink 1994-01-25
5222517 Fluid containment vessel with one or more recessed wells Donald L. Zink, Donald G. Zink 1993-06-29
5113893 Safety pressure relief valve shut-off 1992-05-19
4872640 Valve apparatus 1989-10-10