WEATHER SHIELD MFG INC has a total of 17 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Canada, United States and China. Its main competitors in its focus markets civil engineering, machines and materials and metallurgy are PDS IG Holding LLC, ZHANGJIAGANG GUOHUA SAFETY GLASS CO LTD and LAMMIN IKKUNA OY.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 7 | |
#2 | United States | 5 | |
#3 | China | 2 | |
#4 | WIPO (World Intellectual Property Organization) | 2 | |
#5 | Mexico | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Materials and metallurgy | |
#4 | Surface technology and coating |
# | Technology | |
---|---|---|
#1 | Doors and windows | |
#2 | Unspecified technologies | |
#3 | Layered products | |
#4 | Treatment of glass | |
#5 | Certain plastics | |
#6 | Locks | |
#7 | Unspecified technologies | |
#8 | Bolts for doors or windows | |
#9 | Shaping of plastics |
# | Name | Total Patents |
---|---|---|
#1 | Schield Edward L | 11 |
#2 | Reeves Myron D | 7 |
#3 | Hartl Lyn W | 2 |
#4 | Schield Kevin | 2 |
#5 | Nehiba Marjorie A | 2 |
#6 | Schield Edward | 2 |
#7 | Mitchell Michael K | 1 |
#8 | Mitchell Michael | 1 |
#9 | Edward L Schield | 1 |
Publication | Filing date | Title |
---|---|---|
WO2009102329A1 | Window and trim assembly and method | |
WO2009029089A1 | Windows, doors and glazing assemblies therefor | |
US2007137111A1 | Window lock assembly | |
US6546671B2 | Tilt window latch assembly | |
CA2322307A1 | Noble metal interference filter for thermal pane | |
CA2161815A1 | Apparatus for cleaning a welded joint | |
US5640828A | Spacer for an insulated window panel assembly | |
US5088258A | Thermal broken glass spacer | |
US5022206A | Entry door system |