DAVY POWERGAS INC has a total of 57 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, South Africa and Austria. Its main competitors in its focus markets materials and metallurgy, chemical engineering and foods and drinks are SICHUAN TECHAIRS CO LTD, BEIJING JINDA WANXIANG ENV SCIENCE AND TECH CO LTD and BELLINI JACQUES.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | South Africa | 5 | |
#3 | Austria | 4 | |
#4 | Germany | 4 | |
#5 | Australia | 3 | |
#6 | Brazil | 3 | |
#7 | Canada | 3 | |
#8 | Spain | 3 | |
#9 | Japan | 3 | |
#10 | France | 2 | |
#11 | United Kingdom | 2 | |
#12 | Italy | 2 | |
#13 | Netherlands | 2 | |
#14 | Norway | 2 | |
#15 | African Intellectual Property Organization | 2 | |
#16 | Sweden | 2 | |
#17 | Egypt | 1 | |
#18 | Israel | 1 | |
#19 | India | 1 | |
#20 | USSR (Union of Socialist Soviet Republics) | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Chemical engineering | |
#3 | Foods and drinks | |
#4 | Environmental technology | |
#5 | Machines |
# | Technology | |
---|---|---|
#1 | Non-metallic elements | |
#2 | Separation | |
#3 | Food shaping | |
#4 | Unspecified technologies | |
#5 | Metal production and refining | |
#6 | Cocoa and sweets | |
#7 | Climate change adaptation technologies | |
#8 | Alkali metal compounds | |
#9 | Foods |
# | Name | Total Patents |
---|---|---|
#1 | Scarlett John | 10 |
#2 | Nicholson Norman Eric | 5 |
#3 | Nicholson Norman E | 5 |
#4 | Flintoff John Frederick | 4 |
#5 | Flintoff John F | 4 |
#6 | Houghtaling S | 4 |
#7 | Scarlett J | 3 |
#8 | Nooman Eritsuku Nikoruson | 3 |
#9 | Jiyon Sukaaretsuto | 3 |
#10 | Houghtaling Samuel V | 3 |
Publication | Filing date | Title |
---|---|---|
US4290882A | Electrostatic separation of impurities phase from liquid-liquid extraction | |
US4216189A | Sulfur dioxide removal process | |
US4206187A | Process for removing sulfur dioxide from gas | |
US4207299A | Sulphur dioxide removal process | |
US4233278A | Process for purifying crude phosphoric acid | |
US4200619A | Process for purging sodium sulfate from a sulfur dioxide removal system | |
JPS5285980A | Removal of sulfur dioxide | |
OA5525A | Process for the selective grinding of Mediterranean rock rock. | |
EG12125A | A process for selectively grinding mediterranean phosphate rock | |
ZA7606140B | Process for removing sulfur dioxide from a gas stream | |
IL50562D0 | Process for selectively grinding mediterranean phosphate rock | |
US4122148A | Sulfur dioxide removal process | |
US4044107A | Process for the manufacture of wet process phosphoric acid using wet-grinding of the phosphate rock feed | |
ZA746769B | Method of manufacturing wet process phosphoric acid | |
AU7282874A | Food products | |
ZA7405447B | Base composition for preparing food products | |
CA985562A | Base composition for preparing food products | |
US3971844A | Method for removing sodium sulfate from aqueous solutions |