| Patents for Orr & Sembower, Inc. |
Patents 16 -
30
of 43
      |
| Number | Date | Patentee | Title | Type |
| FR-1,146,800 | Nov. 14, 1957 | . | Boiler | stationary boilers |
| 2,815,069 | Dec. 03, 1957 | G.H. Garraway | Burner Apparatus | stationary boilers |
| GB-791,225 | Feb. 26, 1958 | . | Burners | stationary boilers |
| CA-567,750 | Dec. 23, 1958 | G.H. Garraway | Burner Apparatus | stationary boilers |
| BE-574,993 | May 15, 1959 | E.A. Burt | Hot water boiler | stationary boilers |
| GB-819,256 | Sep. 02, 1959 | . | Pilot Ignition Unit for Fuel Burners | stationary boilers |
| FR-1,199,378 | Dec. 14, 1959 | . | Fire-tube Boiler | stationary boilers |
| FR-1,199,379 | Dec. 14, 1959 | . | Improvements to Boilers | stationary boilers |
| FR-1,202,209 | Jan. 08, 1960 | . | Pulverized-Fuel Boiler | stationary boilers |
| CA-594,705 | Mar. 22, 1960 | E.A. Burt | Burners | stationary boilers |
| FR-1,214,090 | Apr. 06, 1960 | . | Improvements to Boilers and Other Similar Apparatus | stationary boilers |
| 2,947,268 | Aug. 02, 1960 | R.D. Northcote, J.A. Tatem | Boilers | stationary boilers |
| GB-846,659 | Aug. 31, 1960 | . | Hot Water Boiler | stationary boilers |
| CA-610,627 | Dec. 13, 1960 | R.D. Northcote | Pulverised Fuel Burner | stationary boilers |
| GB-856,751 | Dec. 21, 1960 | R.D. Northcote, J.A. Tatem | Improvements in Boilers | stationary boilers |
