KEMP WILLARD E has a total of 12 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, Brazil and Canada. Its main competitors in its focus markets mechanical elements, materials and metallurgy and surface technology and coating are Shijiazhuang sanhuan valve co ltd, BROEN AS and YANCHENG JINGSHENG PETROCHEMICAL MACHINERY CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Brazil | 1 | |
#3 | Canada | 1 | |
#4 | United Kingdom | 1 | |
#5 | Norway | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Materials and metallurgy | |
#3 | Surface technology and coating | |
#4 | Chemical engineering | |
#5 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Venting or aerating devices | |
#2 | Metal tempering | |
#3 | Coating metallic material | |
#4 | Chemical or physical processes | |
#5 | Foundry moulding | |
#6 | Furnaces |
# | Name | Total Patents |
---|---|---|
#1 | Kemp Willard E | 12 |
Publication | Filing date | Title |
---|---|---|
US2007252102A1 | Ball valve having annular springs seats | |
US5324009A | Apparatus for surface hardening of refractory metal workpieces | |
US4530488A | Through conduit gate valve with double expanding gate assembly | |
US4588164A | Through conduit gate valve | |
US4379725A | Process for hot isostatic pressing of a metal workpiece | |
US4410373A | Process for heat treatment of a metal workpiece | |
US4318437A | Metal casting system | |
US4249889A | Method and apparatus for preheating, positioning and holding objects |