KNOPF CARL has a total of 14 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets measurement, textiles and paper and machine tools are NOVOSIB MO T I LEGKOJ PROMY, Huaibei longpan industry and trade co ltd and YAO JINGCHENG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | United Kingdom | 3 | |
#3 | Canada | 2 | |
#4 | Austria | 1 | |
#5 | Switzerland | 1 | |
#6 | Denmark | 1 | |
#7 | Spain | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Textiles and paper | |
#3 | Machine tools | |
#4 | Consumer goods | |
#5 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Measuring speed and acceleration | |
#2 | Paper coating | |
#3 | Machines for making clothes | |
#4 | Saddles | |
#5 | Finishing work on buildings | |
#6 | Percussive tools |
# | Name | Total Patents |
---|---|---|
#1 | Knopf Carl | 13 |
#2 | Knofp Paul | 1 |
Publication | Filing date | Title |
---|---|---|
GB191400756A | Improvements in Recording Speedometers. | |
GB190725724A | Improvements in Mallets. | |
GB190715530A | Improvements in Speed Indicators | |
US863404A | Mallet. | |
US863403A | Speed-indicator. | |
US865397A | Dress-skirt marker. | |
US756507A | Stair-mat. | |
US635556A | Stirrup. | |
CA260837A | Waterproof textile | |
CA321548A | Reflecting sign |