Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11725641 | Double-acting reciprocating pump assembly for use in conjunction with a melter | — | 2023-08-15 |
| 11143173 | Hydraulically synchronized pumps where the hydraulic motor of the master pump hydraulically drives the hydraulic motor of the slave pump | — | 2021-10-12 |
| 10801493 | Positive displacement reciprocating pump assembly for dispensing predeterminedly precise amounts of fluid during both the up and down strokes of the pump piston | — | 2020-10-13 |
| D888521 | Spray gun elevator | — | 2020-06-30 |
| D888522 | Spray gun elevator | — | 2020-06-30 |
| 9771691 | Integral melter and pump system for the application of bituminous adhesives and highway crack-sealing materials, and a method of making the same | — | 2017-09-26 |
| 9630202 | Plunger-type dispensing valve for the rapid deposition of adhesive to road pavement surfaces for enabling the fixation of pavement markers to road pavement surfaces | — | 2017-04-25 |
| D386240 | Tank for a portable pump | — | 1997-11-11 |
| 5341859 | Dispensing cartridge filling system | — | 1994-08-30 |
| 5072252 | Fiber optic book copier | — | 1991-12-10 |
| 4859073 | Fluid agitator and pump assembly | Harold J. Engel | 1989-08-22 |
| 4784582 | Fluid dispensing pump | — | 1988-11-15 |