| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 4 | |
| #3 | France | 4 | |
| #4 | United Kingdom | 3 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding | |
| #2 | Motor vehicles | |
| #3 | Supplying combustion engines | |
| #4 | Separating solids | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Herbruggen Heinrich J B | 6 |
| #2 | Ralph Ditty | 3 |
| #3 | Heyl Louis H | 2 |
| #4 | Reilly Thomas A | 2 |
| #5 | James Hasman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1067569B | Molding sandblowing machine with a device for generating periodically pulsating blasts of compressed air | |
| GB740869A | Improvement in method and apparatus for blowing sand moulds and cores | |
| GB724731A | Method of and apparatus for making a sand core or mold in which sand is blown into amold core box | |
| US2779071A | Control system for sand blowing apparatus | |
| US2656575A | Core blowing apparatus | |
| US2183991A | Vibrator screen support | |
| US2017952A | Chaplet | |
| US2013746A | Chaplet | |
| US1962686A | Parting compound | |
| US1639467A | Air cleaner | |
| US1507794A | Agricultural machine | |
| CA522174A | Core blowing apparatus | |
| CA526211A | Core blowing method and apparatus | |
| CA349434A | Parting compound | |
| CA529651A | Control system for sand blowing apparatus |