Johnson; Todd L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Todd L..The latest application filed is for "protective barriers and related methods".
- Johnson; Todd L. - Shelley ID
- Johnson; Todd L. - Minneapolis MN
| Patent | Date |
|---|---|
| Protective Barriers And Related Methods App 20220282520 - Bratton; Kenneth R. ; et al. | 2022-09-08 |
| High-pressure to low-pressure changeover valve for a positive displacement pump Grant 10,514,027 - Johnson , et al. Dec | 2019-12-24 |
| Protective barriers and related methods Grant 10,053,887 - Chu , et al. August 21, 2 | 2018-08-21 |
| Protective Barriers And Related Methods App 20170063054 - CHU; HENRY SHIU-HUNG ; et al. | 2017-03-02 |
| Diaphragm pump Grant D780,227 - Hines , et al. February 28, 2 | 2017-02-28 |
| Diaphragm pump Grant D771,714 - Hines , et al. November 15, 2 | 2016-11-15 |
| High-pressure To Low-pressure Changeover Valve For A Positive Displacement Pump App 20160305410 - Johnson; Todd L. ; et al. | 2016-10-20 |
| Overmolded diaphragm pump Grant 9,291,158 - Cochran , et al. March 22, 2 | 2016-03-22 |
| Overmolded Diaphragm Pump App 20120036995 - Cochran; Bryan C. ; et al. | 2012-02-16 |
| Uni-drum ram plate for high viscosity materials Grant 6,675,991 - Johnson , et al. January 13, 2 | 2004-01-13 |
| Uni-drum ram plate for high viscosity materials App 20030071082 - Johnson, Todd L. ; et al. | 2003-04-17 |
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