| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 7 | |
| #2 | Germany | 3 | |
| #3 | France | 3 | |
| #4 | United States | 3 | |
| #5 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Telecommunications | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Unspecified technologies | |
| #3 | Handling thin material | |
| #4 | Bolts for doors or windows | |
| #5 | Antennas | |
| #6 | Distribution of electric power |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kooiman Pieter L | 5 |
| #2 | Kooiman Pieter Leendert | 3 |
| Publication | Filing date | Title |
|---|---|---|
| NL8701542A | Housing for open air electrical or mechanical installation - has sealing plate with lock to protect contents against weather and vandalism | |
| NL8102986A | Device for stacking objects. | |
| NL7810423A | Apparatus for dispensing the top of a stack of articles at a constant height. | |
| CA1082761A | Guide bush | |
| NL7802224A | Central TV aerial system with foundation frame for box - has parallel side frames divided into hinge coupled top and bottom sections | |
| US4161146A | Stacking device | |
| CA1082760A | Stacking device | |
| NL7708061A | Device for delivering objects from a stack. |