| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 | |
| #6 | France | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Unspecified technologies | |
| #3 | Physical training equipment | |
| #4 | Metal-working | |
| #5 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Steifensand Friedrich Martin | 2 |
| #2 | Steifensand I | 2 |
| #3 | Steifensand Friedrich M | 2 |
| #4 | Steifensand Friedrich-Martin | 2 |
| #5 | Steifensand Geb Von Scholz Ing | 1 |
| #6 | Beer Herbert | 1 |
| #7 | Beer H | 1 |
| #8 | Steifensand Ingrid | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19925153A1 | Table tennis table with net has ball collector with deflector panels, vertical fixtures, and clamp | |
| DE3124487A1 | Elastic attachment of a starting sheet to the mast foot of a sailboard | |
| DE2902622A1 | Office swivel chair with single-action adjustment - has setting lever with control cam for freedom of movement and locking | |
| DE2802402A1 | FURNITURE WITH AT LEAST ADJUSTABLE SEAT AREA | |
| DE2719479A1 | Fitting tool for rollers on chair bases - has frame set centrally on rotary plate with each leg clamped between pivoted jaws |