LANGDON ENTERPRISES INC has a total of 13 patent applications. Its first patent ever was published in 1990. It filed its patents most often in EPO (European Patent Office), Finland and Norway. Its main competitors in its focus markets electrical machinery and energy, optics and medical technology are PERENA, PEACEFUL VISION ELECTRONIC LIANYUNGANG CO LTD and GISMA STECKVERBINDER GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 2 | |
#2 | Finland | 2 | |
#3 | Norway | 2 | |
#4 | WIPO (World Intellectual Property Organization) | 2 | |
#5 | Australia | 1 | |
#6 | Brazil | 1 | |
#7 | Canada | 1 | |
#8 | Mexico | 1 | |
#9 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Optics | |
#3 | Medical technology | |
#4 | Measurement |
# | Technology | |
---|---|---|
#1 | Optical systems | |
#2 | Electrically-conductive connections | |
#3 | Diagnosis and surgery | |
#4 | Testing of structures |
# | Name | Total Patents |
---|---|---|
#1 | Langdon Robert S | 13 |
#2 | Willscher Max K | 2 |
#3 | Bush Nancy R | 2 |
Publication | Filing date | Title |
---|---|---|
BR9206620A | Quick connect / disengage connector | |
US5188539A | Quick attach/detach connector | |
AU6287590A | Cytology collection device and method | |
EP0467988A1 | Method and apparatus for testing personal barriers |