| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Czechoslovakia | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Czechia | 2 | |
| #4 | Germany | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Winches | |
| #3 | Supplying combustion engines | |
| #4 | Non-positive-displacement pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coufal Stanislav | 3 |
| #2 | Kaspar Milan | 2 |
| #3 | Balcar Jiri | 2 |
| #4 | Jurenka Jaroslav Ing | 2 |
| #5 | Louda Jan | 2 |
| #6 | Chladek Lubomir Rndr | 1 |
| #7 | Ladislav Sova | 1 |
| #8 | Zeman Milos Ing | 1 |
| #9 | Bak Pavel Ing | 1 |
| #10 | Hrivna Ludvik | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CS672090A3 | Lamella friction brake | |
| CZ647190A3 | tool blade | |
| CZ644190A3 | combined alternating valve | |
| CS596490A3 | Device for improved discharge of a hydraulic earth-moving machine shovel content | |
| CS328489A3 | Shroud or tooth blade of a dipper or another working bucket or workingtool | |
| CS275410B2 | Seating of travel's gear outlet driving gear with planet differential | |
| GB1075255A | Bucket wheel with positive bucket emptying | |
| US3313051A | Excavating wheel | |
| GB1003267A | A shovel excavator | |
| GB863759A | A device for indicating or preventing the overloading of hoisting equipment |