DEZURIK INC has a total of 35 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2004. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, civil engineering and machines are ELECTROFAB & ENG, ABB DISTRICT HEATING MANAGEMEN and SHANGHAI KARON VALVES MACH CO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 | |
#2 | Canada | 9 | |
#3 | WIPO (World Intellectual Property Organization) | 8 | |
#4 | Australia | 2 | |
#5 | China | 2 | |
#6 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Civil engineering | |
#3 | Machines | |
#4 | Machine tools |
# | Technology | |
---|---|---|
#1 | Venting or aerating devices | |
#2 | Pipes | |
#3 | Unspecified technologies | |
#4 | Nails | |
#5 | Sewers | |
#6 | Frames | |
#7 | Structural elements | |
#8 | Metal-working |
# | Name | Total Patents |
---|---|---|
#1 | Halvorson Forrest | 10 |
#2 | Blenkush Robert A | 10 |
#3 | Watterodt Sidney | 9 |
#4 | Kalthoff Adam L | 6 |
#5 | O'Shea Timothy M | 5 |
#6 | Larson Larry | 4 |
#7 | Janagan Paranthaman | 3 |
#8 | Libke Albert W | 3 |
#9 | Patel Jayashree | 3 |
#10 | Mcintyre Rory | 3 |
Publication | Filing date | Title |
---|---|---|
US2020132215A1 | Valve lockout | |
CA3101801A1 | Knife gate valve with dead-end service | |
US2019032804A1 | Surge relief valve | |
CA3024148A1 | Combination air valve | |
CA2997782A1 | Check valve control unit | |
CA2930800A1 | Knife gate valve and seal | |
US2016076657A1 | Bidirectional knife gate valve with a perimeter seat | |
US2016069459A1 | Orbital seat in a butterfly valve | |
WO2014138655A1 | Seat for use in a butterfly valve | |
AU2013327419A1 | Combination air valve | |
CN103453168A | Valve wear ring and gate valve with wear ring | |
CN103453159A | Wear ring retainer for a gate valve | |
US2006108557A1 | Plug valve with flow area equal to or greater than the flow area of the connected piping |