HESS ENG INC has a total of 32 patent applications. Its first patent ever was published in 1991. It filed its patents most often in WIPO (World Intellectual Property Organization), Canada and United States. Its main competitors in its focus markets environmental technology, machine tools and machines are NEEF GMBH & CO KG, MICHIGAN STEEL TUBE PRODUCTS C and MERCURY METAL PRODUCTS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 8 | |
#2 | Canada | 5 | |
#3 | United States | 5 | |
#4 | China | 4 | |
#5 | EPO (European Patent Office) | 4 | |
#6 | Germany | 2 | |
#7 | Hong Kong | 2 | |
#8 | Australia | 1 | |
#9 | Japan | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Machine tools | |
#3 | Machines | |
#4 | Transport | |
#5 | Electrical machinery and energy | |
#6 | Semiconductors |
# | Name | Total Patents |
---|---|---|
#1 | Mayfield David | 21 |
#2 | David Mayfield | 3 |
#3 | Waelchli Erik | 3 |
#4 | Knesebeck Tilmann Von Dem Dipl | 2 |
#5 | Pabst Ludwig Dr Ing | 2 |
#6 | Dickerson Tad A | 2 |
#7 | Krenz Joseph Harry | 2 |
#8 | Haynie Timothy | 1 |
#9 | Akumalla Krishnathejan | 1 |
#10 | Mayfield D | 1 |
Publication | Filing date | Title |
---|---|---|
CN102943702A | Method of manufacturing a catalytic converter | |
WO2007101056A1 | Vertical spinner | |
CA2525389A1 | Method and apparatus for manufacturing a catalytic converter | |
US7900352B2 | Method and apparatus for manufacturing a catalytic converter | |
US6983632B2 | Method and apparatus for spinning to a constant length | |
EP1635048A2 | Method and apparatus for manufacturing a catalytic converter | |
CA2447651A1 | Method and apparatus for manufacturing a catalytic converter | |
WO9915306A1 | Method and apparatus for assembly vehicle wheels | |
WO9749519A1 | Quick change welding electrode | |
WO9625257A1 | Method of forming vehicle wheel rims | |
DE4108037A1 | Device for releasably attaching a cooled diode rectifier to a transformer | |
DE4107984A1 | Electrode block for butt and flash butt welding machines |