| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | Austria | 8 | |
| #3 | Switzerland | 8 | |
| #4 | Netherlands | 8 | |
| #5 | Denmark | 7 | |
| #6 | Finland | 7 | |
| #7 | Norway | 7 | |
| #8 | United States | 7 | |
| #9 | Australia | 6 | |
| #10 | Japan | 6 | |
| #11 | Spain | 5 | |
| #12 | United Kingdom | 5 | |
| #13 | Czechoslovakia | 4 | |
| #14 | Sweden | 4 | |
| #15 | Canada | 3 | |
| #16 | Italy | 3 | |
| #17 | Germany | 2 | |
| #18 | Mexico | 2 | |
| #19 | Poland | 2 | |
| #20 | Belgium | 1 | |
| #21 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Control | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Macromolecular chemistry and polymers | |
| #7 | Basic materials chemistry | |
| #8 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Syringes | |
| #2 | Teaching materials | |
| #3 | Cyclically operating valves | |
| #4 | Pumps | |
| #5 | Unspecified technologies | |
| #6 | Venting or aerating devices | |
| #7 | Vehicle tyre repairing | |
| #8 | Macromolecular compounds compositions | |
| #9 | Adhesives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grane Christian | 13 |
| #2 | Kohnke Ole Bjorn | 11 |
| #3 | Kohnke O B | 7 |
| #4 | Koehnke Ole Bjoern | 7 |
| #5 | Kohnke Ole B | 6 |
| #6 | Grane C | 4 |
| #7 | Blumensaadt Hans Christian | 4 |
| #8 | Koehnke O B | 3 |
| #9 | Hesse Ruth Lea | 3 |
| #10 | Ooru Byoorun Koonku | 3 |
| Publication | Filing date | Title |
|---|---|---|
| SE7813401L | Hand-operated apparatus for supplying gas to the lungs of a patient | |
| GB1604871A | Expiration valve | |
| US4167184A | Lung-venting apparatus | |
| GB1599516A | Collection device | |
| GB1559382A | Tracheal suction pump | |
| US3994075A | Dummy for teaching artificial insufflation | |
| AU8489575A | Administering gas toa patient | |
| AU8489875A | Lung ventilating apparatus | |
| ATA314373A | Artificial ventilation model | |
| AU4646872A | Resuscitation training apparatus | |
| GB1365933A | Resuscitation training apparatus | |
| US3650268A | Apparatus for artificial respiration or narcosis | |
| GB1146683A | A resilient valve element | |
| CA894017A | Apparatus for artificial respiration or narcosis |