Creator
- DeYoung, James W. 15
- Roald, Knud A. 15
- Hanselman, Hans 14
- Legge, Kenneth C. 14
- Magnus Ek 14
- Wienecke, Emil 14
- Linde, Carl L. 13
- Belluschi, Pietro 12
- McFadden & Swain 12
- Ryan, Henderson 12
- Travler, L. N. 12
- Miller, Charles B. 11
- Schacht, Emil 11
- Clark, Clement W. 10
- Feig, Elmer E. 10
- Keller, Edward H. 10
- Oregon Iron & Steel Company 10
- Dawson, Orion B. 8
- Vogan, Louis 8
- Knighton, William C., 1866-1938 7