| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 | |
| #3 | Finland | 4 | |
| #4 | United Kingdom | 4 | |
| #5 | Austria | 3 | |
| #6 | Brazil | 3 | |
| #7 | Switzerland | 3 | |
| #8 | Germany | 3 | |
| #9 | Spain | 3 | |
| #10 | Italy | 3 | |
| #11 | Norway | 3 | |
| #12 | Argentina | 2 | |
| #13 | Australia | 2 | |
| #14 | Denmark | 2 | |
| #15 | France | 2 | |
| #16 | Ireland | 2 | |
| #17 | Romania | 2 | |
| #18 | Sweden | 2 | |
| #19 | South Africa | 2 | |
| #20 | Belgium | 1 | |
| #21 | Czechoslovakia | 1 | |
| #22 | German Democratic Republic | 1 | |
| #23 | Israel | 1 | |
| #24 | India | 1 | |
| #25 | Kenya | 1 | |
| #26 | Netherlands | 1 | |
| #27 | African Intellectual Property Organization | 1 | |
| #28 | Philippines | 1 | |
| #29 | Poland | 1 | |
| #30 | WIPO (World Intellectual Property Organization) | 1 | |
| #31 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Packaging and shipping | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | Unspecified technologies | |
| #3 | Scaffolding | |
| #4 | Railway bodies | |
| #5 | Cranes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mitchell W | 10 |
| #2 | Mitchell William Edgar | 5 |
| #3 | Cashion Jerry L | 5 |
| #4 | Mitchell William E | 4 |
| #5 | Kinnard C | 3 |
| #6 | Mitchell W E | 3 |
| #7 | Leonard David John | 3 |
| #8 | Leonard D | 3 |
| #9 | Mcgrew John Paul | 3 |
| #10 | Kinnard Claiborne H | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US4938643A | Rail mounted crane carrier | |
| US4289293A | Combination bed concrete casting apparatus | |
| FI790138A | Betonggjutesunderlagsanlaeggning | |
| US4004874A | Apparatus for production of cast concrete members | |
| PH12643A | Apparatus for production of cast concrete members | |
| IT1053723B | Precast concrete moulding machine - with ejecting facilitating mould | |
| US3892516A | Battery molding apparatus with trolley transporting means | |
| US3832118A | Apparatus for production of cast concrete members | |
| US3523343A | System for the production of cast concrete members | |
| CA851641A | System for the production of cast concrete members | |
| CA763876A | Apparatus and method for forming concrete planks or slabs |