VACUUM ENGINEERING COMPANY has a total of 11 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States. Its main competitors in its focus markets machines, furniture and games and engines, pumps and turbines are PAUL HEFTLER, AMERICAN ROTARY VALVE COMPANY and BUFFALO SPECIALTY COMPANY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Furniture and games | |
#3 | Engines, pumps and turbines | |
#4 | Mechanical elements | |
#5 | Chemical engineering | |
#6 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Domestic washing | |
#3 | Venting or aerating devices | |
#4 | Pumps | |
#5 | Pipes | |
#6 | Producing ice | |
#7 | Mixing | |
#8 | Supplying combustion engines |
# | Name | Total Patents |
---|---|---|
#1 | Williams David T | 6 |
#2 | Locke William | 4 |
#3 | Dunn Elias B | 4 |
#4 | Guthorn Seymour L | 1 |
Publication | Filing date | Title |
---|---|---|
US1072607A | Pneumatic cleaning implement. | |
US921040A | Pneumatic suction-pump. | |
US919508A | Valve. | |
US929066A | Pneumatic cleaning implement. | |
US993133A | Dust-collector for pneumatic cleaning systems. | |
US921039A | Pipe-fitting. | |
US917981A | Valve. | |
US893854A | Suction apparatus for pneumatic cleaning systems. | |
US919369A | Suction apparatus for pneumatic cleaning systems. | |
US919606A | Pneumatic suction cleaning apparatus. | |
US893853A | Apparatus for removing dust by pneumatic suction. |