STADLER DAVID M has a total of 25 patent applications. Its first patent ever was published in 1991. It filed its patents most often in WIPO (World Intellectual Property Organization), Canada and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, machines and transport are CHONGQING MUNICIPAL DRAINAGE CO LTD, ARNTYR OSCAR SVEN and SAVAGE PETER LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 6 | |
#2 | Canada | 4 | |
#3 | EPO (European Patent Office) | 4 | |
#4 | United States | 4 | |
#5 | Australia | 3 | |
#6 | African Regional Industrial Property Organization | 1 | |
#7 | China | 1 | |
#8 | Japan | 1 | |
#9 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Transport |
# | Technology | |
---|---|---|
#1 | Foundations and excavations | |
#2 | Sewers | |
#3 | Platform constructions | |
#4 | Unspecified technologies | |
#5 | Vehicle parts |
# | Name | Total Patents |
---|---|---|
#1 | Stadler David M | 25 |
Publication | Filing date | Title |
---|---|---|
AU2013203172A1 | Manhole cover security lock with controlled pressure release | |
WO2013032996A1 | Latch mechanism for manhole cover with captured operator | |
CA2727604A1 | Manhole cover stop mechanism | |
US2008038057A1 | Bollard assembly | |
WO2007146256A2 | Manhole cover security lock with controlled pressure release | |
WO2007018531A1 | Telescoping bollard with screw drive | |
US2007031189A1 | Telescoping bollard with screw drive | |
AP200503254A0 | Locking device and method for catch basin and manhole covers and the like | |
US5172094A | Automatically armed vehicle anti-theft system |