STEVENSON ROBERT L has a total of 22 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1950. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets thermal processes, mechanical elements and packaging and shipping are INNOVATIVE OFFICE PRODUCTS INC, SYNCMOLD ENTPR CORP and STRAETER FRITZ.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 | |
#2 | Canada | 5 | |
#3 | EPO (European Patent Office) | 1 | |
#4 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Mechanical elements | |
#3 | Packaging and shipping | |
#4 | Machines | |
#5 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Mechanical control devices | |
#2 | Frames | |
#3 | Manipulators | |
#4 | Domestic stoves for solid fuels | |
#5 | Solid fuel combustion | |
#6 | Unspecified technologies | |
#7 | Fluid heaters | |
#8 | Fluid fuel combustion | |
#9 | Combustion residues removal | |
#10 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Stevenson Robert L | 22 |
Publication | Filing date | Title |
---|---|---|
US2016313757A1 | Point of control remote-actuation apparatus and methods | |
US2009014291A1 | Remote racking of horizontally displaceable circuit breakers | |
US5199327A | Unitary tool for removing and installing radiator caps | |
US5161436A | Unitary tool for removing radiator caps | |
US4802265A | Removable skirt and trouser clip for garment hanger | |
US4664180A | Heat recovery unit for stoves | |
US4485800A | Stove construction | |
US4450776A | Industrial furnace | |
US4539877A | Sawmill | |
US4426991A | Stove construction | |
CA1026293A | Rotary engine | |
US3912271A | Projecting ramp and mating impeller | |
US3912429A | Rotary engine | |
US3869737A | Toilet stool air deodorizer structure | |
CA955483A | Wood heater with viewing window | |
US2672531A | Automobile lighting control system switch |