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| Patents for R. M. Hvid Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,134,858 | Apr. 06, 1915 | R.M. Hvid | Means for Delivering Oil to Oil Burning Engines | oil engines | |
| 1,283,197 | Oct. 29, 1918 | R.M. Hvid | Liquid Fuel Feed | oil engines | |
| 1,283,780 | Nov. 05, 1918 | R.M. Hvid | Compression Release | oil engines | |
| 1,283,781 | Nov. 05, 1918 | R.M. Hvid | Governor Control | internal combustion engine governors | |
| 1,334,376 | Mar. 23, 1920 | R.M. Hvid | Oil Burning Engine | oil engines | |
| 1,346,204 | Jul. 13, 1920 | R.M. Hvid | Valve for Hydrocarbon Engine | valves | |