WALTER KOEHLER has a total of 24 patent applications. Its first patent ever was published in 1921. It filed its patents most often in Germany and United Kingdom. Its main competitors in its focus markets medical technology, control and transport are HANGZHOU YIYA DIGITAL DENTAL CO LTD, DENTA VISION GMBH and KWON SOON YONG.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 20 | |
#2 | United Kingdom | 4 |
# | Industry | |
---|---|---|
#1 | Medical technology | |
#2 | Control | |
#3 | Transport | |
#4 | Audio-visual technology | |
#5 | Packaging and shipping |
# | Technology | |
---|---|---|
#1 | Dentistry | |
#2 | Teaching materials | |
#3 | Railway bodies | |
#4 | Operating tables | |
#5 | Syringes | |
#6 | Advertising | |
#7 | Containers for goods storage |
Publication | Filing date | Title |
---|---|---|
GB494203A | Improvements in or relating to the manufacture of dental protheses or dentures from plastic materials | |
GB420224A | Improvements in or relating to dentists' appliances | |
GB393113A | Improvements in artificial dentures and gum- and like substitution parts thereof | |
GB333000A | Instructional model for dental purposes | |
DE348969C | Metal tooth crown |