ERVIN IND INC has a total of 26 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, machines and machine tools are NWM DE KRUITHOORN BV, SINTERFIRE INC and KENT CARTRIDGE MFG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Canada | 5 | |
#3 | EPO (European Patent Office) | 3 | |
#4 | Australia | 2 | |
#5 | Japan | 2 | |
#6 | Republic of Korea | 2 | |
#7 | WIPO (World Intellectual Property Organization) | 2 | |
#8 | Spain | 1 | |
#9 | Mexico | 1 | |
#10 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Machines | |
#3 | Machine tools |
# | Technology | |
---|---|---|
#1 | Blasting | |
#2 | Explosive charges | |
#3 | Casting metal | |
#4 | Alloys | |
#5 | Foundry moulding | |
#6 | Unspecified technologies | |
#7 | Working metallic powder | |
#8 | Metal tempering |
# | Name | Total Patents |
---|---|---|
#1 | Hash Mark C | 6 |
#2 | Pearson Trent | 6 |
#3 | Kuehn Udo | 6 |
#4 | Kwolek William S | 3 |
#5 | May Harold V | 3 |
#6 | Pearson James Trent | 2 |
#7 | Politz John Turner | 2 |
#8 | Yuudo Kiyuun | 1 |
#9 | Jiyon Toonaa Pouritsutsu | 1 |
#10 | Politz J T | 1 |
Publication | Filing date | Title |
---|---|---|
US9188416B1 | Lead-free, corrosion-resistant projectiles and methods of manufacture | |
US2015107480A1 | Lead-free projectiles and methods of manufacture | |
WO2013052170A1 | Cost-effective high-volume method to produce metal cubes with rounded edges | |
CA2786331A1 | Frangible, ceramic-metal composite objects and methods of making the same | |
US2011162550A1 | Frangible, ceramic-metal composite objects and methods of making the same | |
CA1214916A | Method and apparatus for removing excess material from sand cores | |
AU1262383A | Apparatus for de-finning metal castings | |
US4336672A | Centrifugal blasting apparatus | |
US4329819A | Centrifugal blasting apparatus | |
US4047334A | Blast cleaning machine |