| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 27 | |
| #2 | Switzerland | 10 | |
| #3 | Sweden | 6 | |
| #4 | Denmark | 4 | |
| #5 | United States | 4 | |
| #6 | France | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | Austria | 1 | |
| #9 | Spain | 1 | |
| #10 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Transport | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Wing fittings | |
| #3 | Indexing scheme relating to hinges | |
| #4 | Lifting and pushing | |
| #5 | Unspecified technologies | |
| #6 | Vehicle suspension arrangements | |
| #7 | Bolts for doors or windows | |
| #8 | Cranes | |
| #9 | Gearing | |
| #10 | Vehicle transmission mounting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perlick Reinhold | 17 |
| #2 | Furchner Heinz | 8 |
| #3 | Perlick R | 7 |
| #4 | Reinhold Perlick | 6 |
| #5 | Griesenbrock Karl-Heinz | 6 |
| #6 | Hans Hildebrandt | 3 |
| #7 | Hildebrandt Hans | 2 |
| #8 | Kloosterziel Heinz | 2 |
| #9 | Duerhagen Klaus | 2 |
| #10 | Heinz Furchner | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3631695A | Mortise lock with latchbolt and deadbolt, especially for hotel guest room doors | |
| ES378021A1 | Locking arrangement for deadbolt latch locks, especially for hotel guest room doors | |
| GB1241909A | Improvements relating to lift trucks | |
| DE1480652A1 | Circuit arrangement for electric vehicles |