| 1958 GADDIS Bulk Materials Handling Body Patent |
| 1946 BRADSHAW Bulk Cement Conveyance Patent |
| 1933 THOMS CARL Bulk Car Liner Patent Print Art |
| 1931 LAVIN Bulk Measuring Tool Design Patent 31602 |
| 1961 BLISS Bulk Helium Transportation Patent |
| 1965 SACKETT & SONS CO A J Bulk Unloader Patent |
| 1939 HEIL CO Bulk Material Delivery Truck Patent |
| 1965 SACKETT WALTER Bulk Unloader Patent Print |
| 1964 ANDERSON Pneumatic Bulk Trailer Patent |
| 1964 PRUSS Bulk Hauling Dump Vehicles Patent |
| 1965 RALPH Bulk Transporting Vehicles Patent |
| 1961 CULP Bulk Cargo Carrying Ship Patent Print |
| 1967 PHILLIPS Bulk Material Transfer Unit Patent |
| 1967 PAGE Bulk Material Handling Systems Patent |
| 1958 DONALD Bulk Material Truck Patent Print Art |
| 1969 OKA TANEHIKO Bulk Carrier Patent Print Art |
| 1963 COX FRANCIS Mobile Bulk Feed Body Patent |
| 1957 DIETRICHSON Bulk Commodity Car Patent Print |
| 1957 ACF IND INC Bulk Commodity Car Patent Print |
| 1963 PRUSS Bulk Hauling Dump Vehicles Patent |
| 1890 PATERSON Water Tight Bulk Head Door Patent 8758 |
| 1965 PRUSS Bulk Hauling Dump Vehicles Patent |
| 1983 CHRISTIANSON Bulk Material Tool Patent 36941 |
| 1934 BUTTERWORTH Bulk Cargo Tank Freezing Patent 11964 |
| 1942 LAMBERT Bulk Head Door Hatch Cover Patent 9074 |
| 1964 NAT BULK CARRIERS INC Self Unloader Patent |
| 1961 WILLIAM Bulk Liquid Carrier Patent Print |