| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering | |
| #3 | Packaging and shipping | |
| #4 | Machines | |
| #5 | Foods and drinks |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Transport or storage devices | |
| #3 | Drying solid materials by removing liquid | |
| #4 | Food preservation | |
| #5 | Preparing clay | |
| #6 | Separation | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Preeman Marvin B | 14 |
| #2 | Hurst Lewis William | 2 |
| #3 | Mcpherson Robert H | 2 |
| #4 | Kuhrts Jr George J | 1 |
| #5 | Norman Pitt | 1 |
| #6 | Heacock Roy C | 1 |
| #7 | Dyer Wesley B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3641683A | Asphalt plant drier with variable lifters | |
| US3481049A | Fish meal rotary dryer | |
| US3363884A | Asphalt-mix handling system | |
| US3385571A | Mobile mixing plant | |
| US3142390A | Self-erecting plant | |
| US3116051A | Mobile mixing plant | |
| US3106384A | Asphalt mixing plant dust return system | |
| US3039747A | Mixer tip with shank shroud | |
| US2969851A | Gas washing apparatus | |
| US3025611A | Drier with straight and sawtooth lifters | |
| US2805052A | Mobile asphalt plant | |
| US2810968A | Cellular drier | |
| US2687230A | Liner for mixers | |
| US2583108A | Concrete spreader | |
| US2546512A | Loader conveyer | |
| US2192195A | Portable paving plant | |
| CA605461A | Mobile asphalt plant | |
| CA632384A | Gas washing apparatus | |
| CA838356A | Asphalt-mix handling system | |
| CA836211A | Mobile mixing plant |