INVISA INC has a total of 15 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets measurement, control and civil engineering are KS TECHNO CO LTD, ONTECH SECURITY S L and WERN LARS AAKE.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | Australia | 3 | |
#3 | WIPO (World Intellectual Property Organization) | 3 | |
#4 | EPO (European Patent Office) | 2 | |
#5 | Canada | 1 | |
#6 | New Zealand | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Control | |
#3 | Civil engineering | |
#4 | Basic communication technologies |
# | Technology | |
---|---|---|
#1 | Alarm systems | |
#2 | Wing fittings | |
#3 | Geophysics | |
#4 | Measuring electric variables | |
#5 | Pulse technique | |
#6 | Indexing scheme relating to hinges | |
#7 | Special measuring |
# | Name | Total Patents |
---|---|---|
#1 | Fergusson Robert T | 10 |
#2 | Tannehill Scott | 3 |
#3 | Michael Stephen | 3 |
#4 | Fergusson Robert | 2 |
#5 | Michael Stephen A | 2 |
#6 | Leferson Peter | 1 |
Publication | Filing date | Title |
---|---|---|
WO2007147115A2 | Capacitive sensors allowing contact detection of non-conducting objects | |
US2006055534A1 | Digital capacitive sensing device for security and safety applications | |
AU2003296437A1 | Method of steering capacitor fields for use in capacitive sensing security systems | |
NZ538068A | Apparatus and method for processing capacitor sensor signals using digital frequency shift measurement techniques with floating reference | |
AU2003258320A1 | Security apparatus for the detection of approaching objects | |
US6819242B2 | Apparatus for use with capacitive presence detection systems | |
EP1332481A1 | Apparatus for use with capacitive presence detection systems |