Caterpillar Patents
1100148 Traction engine, GEORGE W. PERRY, Jun 16, 1914, 305/113 ; 305/195; 305/202
1632692 Roundabout and Like Amusement Apparatus, R. Blackburn (Cat UK), Jun 14, 1927, 472/29 ; 472/31
1705802 Method of Providing Track Shoes, C.L. Best, Mar 19, 1929, 29/891.1 ; 305/191
1715055 Tracklaying Tractor, C.L. Best, May 28 1929, 180/9.6 ; 267/45; 267/52
1744516 Crawler Tractor, W. H. Whitacre, Jan 21, 1930, 180/6.7 ; 180/6.2; 180/9.21; 180/9.54; 180/9.62; 29/428 -
1755370 Radiator Shield, H.W. Smith, Apr 22 1930, 180/68.6 ; 165/134.1; 55/385.3; 55/490.2
1790294 Suspension for Tractors, W. H. Whitacre, Jan 27, 1931, 180/9.6
1791841 Pick-Up, William H. Radford, Feb 10 1931, 180/68.6
1792867 Cylinder Head, W.H. Radford, Feb 17 1931, 123/193.3 ; 123/306; 123/41.76; 123/41.82R
1816405 Power Driven Conveyor, H.W. Smith, Jul 28, 1931, 198/675
1825059 Furnace, Walter Grothe, Sep 29, 1931, 432/138 ; 432/241
1830299 Pick-Up Construction, L.H. Thoen, Nov 3 1931, 56/364
1831194 Transmission, W.H. Radford, Nov 10, 1931, 74/473.25 ; 74/473.33
1831195 Transmission, W.H. Radford, Nov 10, 1931, 74/473.26
1875271 Screen Fastener, H.W. Smith, Aug 30, 1932, 209/399
1879959 Harvester Pick-Up, L.H. Thoen, Sep 17 1932, 56/364
1885971 Pick-Up, E.E. Wickeresham, Nov 1, 1932, 56/364
1914839 Harvester Threasher, L.H. Thoen, Jun 20, 1933, 239/654 ; 239/104; 56/122; 56/13.3
1928237 Pick-Up, E.E. Wickeresham, Sep 26, 1933, 56/351 ; 56/364
1932717 Harvester, E.E. Wickeresham, Oct 31, 1933, 56/11.2 ; 56/11.3 -
1935064 Machine Element, H.W. Smith, Nov 14 1933, 74/385 - differential
1938977 Shaft Boot, William H. Radford, Dec 12, 1933, 74/18.2 ; 74/566
1938986 Threshing Machine, Lowell H. Thoen, Dec 12, 1933, 460/109 ; 209/397 -
1941143 Harvester, E.E. Wickeresham, Dec 26, 1933, 280/43.22 ; 280/43.23; 280/6.154; 460/8; 56/209; 56/DIG.11
1941833 Road Grading Machine, C. A. GUSTAFSON, Jan 2 1934, 172/784 ; 172/146; 172/421; 172/742; 404/118 - horse drawn blade
1942637 Tractor Control, C.L. Best, Jan 9, 1934, 180/14.6 ; 280/486; 74/337
1943551 Motor Vehicle,
1943565 Windrow Adapter, L.H. Thoen, Jan 16, 1934, 56/153 ; 100/258R; 56/14.8
1945497 Harvester, E.E. Wickeresham, Jan 30, 1934, 56/153 ; 56/14.8
1947796 Generator Mounting, William H. Radford, Feb 20, 1934, 464/178 ; 248/674; 474/199
1947797 Filler Cap, William H. Radford, Feb 20, 1934, 55/315 ; 55/385.1; 55/493; 55/507; 55/DIG.19
1962536 Land Vehicle, L. H. THOEN, Jun 12 1934, 172/833 ; 172/282; 172/674; 280/160- blade
1982727 Motor Vehicle, Harmon S. Eberhard, Dec 4 1934, 74/15.66 ; 180/53.1; 74/405
1983877 Motor Vehicle,
1986146 Land Vehicle, C. A. GUSTAFSON, Jan 1 1935, 172/797 ; 172/315; 172/431; 180/324 - plane
1986147 Road Working Apparatus, C. A. GUSTAFSON, Jan 1 1935, 172/785 ; 172/317; 172/492; 172/797; 180/53.1; 74/15.2; 74/15.4
1994840 Chain, Lowell H. Thoen, Mar 19 1935, 474/230
2002030 Furnace, Walter Grothe, May 21, 1935, 432/250 ; 110/176; 432/239 - furnace door
2008895 Sickle Guard, August D. Braasch, Jul 23, 1935, 56/298
2022651 Tractor, Harmon S. Eberhard, Dec 3, 1935, 180/9.62 ; 74/390 - track support
2034125 Tractor, E.E. Wickeresham, Mar 17, 1936, 180/6.7 ; 192/13R -