MacDuff; Malcolm
Patent Applications and Registrations
Patent applications and USPTO patent grants for MacDuff; Malcolm.The latest application filed is for "quarter-turn pin-valve actuator".
- MacDuff; Malcolm - Victoria N/A CA
- MacDuff; Malcolm - Quarndon GB
- MacDuff; Malcolm - Derbyshire GB
| Patent | Date |
|---|---|
| Quarter-turn pin-valve actuator Grant 11,339,894 - MacDuff May 24, 2 | 2022-05-24 |
| Quarter-Turn Pin-Valve Actuator App 20220090699 - MacDuff; Malcolm | 2022-03-24 |
| Hydronic supply manifold Grant 10,845,063 - Macduff , et al. November 24, 2 | 2020-11-24 |
| Hydronic Supply Manifold App 20190285286 - MACDUFF; Malcolm ; et al. | 2019-09-19 |
| Supply manifold with rotatable slider Grant 10,408,468 - MacDuff , et al. Sept | 2019-09-10 |
| Supply Manifold With Rotatable Slider App 20170321906 - MacDuff; Malcolm ; et al. | 2017-11-09 |
| Supply manifold with rotatable slider Grant 9,803,876 - MacDuff , et al. October 31, 2 | 2017-10-31 |
| Supply Manifold With Rotatable Slider App 20170102152 - MacDuff; Malcolm ; et al. | 2017-04-13 |
| Supply manifold for hydronic system Grant 8,555,926 - MacDuff , et al. October 15, 2 | 2013-10-15 |
| Supply Manifold For Hydronic System App 20120048381 - MacDuff; Malcolm ; et al. | 2012-03-01 |
| Use of fatty acid alkoxylates as a method to remedy engine intake valve sticking Grant 8,070,837 - Vilardo , et al. December 6, 2 | 2011-12-06 |
| Novel Coupled Hydrocarbyl-Substituted Phenol Materials as Oilfield Wax Inhibitors App 20100269406 - Moreton; David J. ; et al. | 2010-10-28 |
| Fins For An Electric Cable In An Electric Radiant Heating System App 20090052876 - MacDuff; Malcolm ; et al. | 2009-02-26 |
| Use of Fatty Acid Alkoxylates as a Method to Remedy Engine Intake Valve Sticking App 20090044445 - Vilardo; Jonathan S. ; et al. | 2009-02-19 |
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