SELWIG & LANGE has a total of 24 patent applications. Its first patent ever was published in 1877. It filed its patents most often in Germany, France and Switzerland. Its main competitors in its focus markets machines, foods and drinks and chemical engineering are STORK WERKSPOOR SUGAR NV, BWS TECHNOLOGIE GMBH and STG HOLDINGS PTY LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 12 | |
#2 | France | 5 | |
#3 | Switzerland | 2 | |
#4 | Spain | 2 | |
#5 | Austria | 1 | |
#6 | German Democratic Republic | 1 | |
#7 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Foods and drinks | |
#3 | Chemical engineering | |
#4 | Mechanical elements | |
#5 | Macromolecular chemistry and polymers | |
#6 | Machine tools | |
#7 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Centrifuges | |
#2 | Sucrose production | |
#3 | Mixing | |
#4 | Lubricating | |
#5 | Presses | |
#6 | Kitchen equipment | |
#7 | Pistons and sealings | |
#8 | Separation | |
#9 | Polysaccharides |
# | Name | Total Patents |
---|---|---|
#1 | Liemann Max | 6 |
#2 | Lange Heinz | 4 |
#3 | Selwig Lange | 2 |
#4 | Lange Bruno | 2 |
#5 | Matusch Siegfried | 1 |
#6 | Schiweck Hubert | 1 |
#7 | Jakob Hans | 1 |
#8 | Pause Kurt | 1 |
#9 | Cronewitz Theodor | 1 |
#10 | Bauermeister Leo | 1 |
Publication | Filing date | Title |
---|---|---|
US1211450A | Washing device for guncotton and similar products. | |
DE1287C | Grate bars with lateral polygonal approaches to create intersecting grate gaps |