Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7025798 | Tabletop-type air cleaner A personal tabletop-type air cleaner is provided which is user-friendly and can improve smoke sucking efficiency in a simple configuration. The disclosed personal tabletop-type air cleaner has a front opening portion to suck air containing smoke of a cigarette, a bl... | 04/11/2006 |
| 5792226 | Air current controlling device and clean room adopting the same An air current controlling device for a clean room having a high efficiency particle filter, a housing cap for the filter, and an air current directional controller provided between the filter and the housing cap. The controller has a shaft extending ther... | 08/11/1998 |
| 5660605 | Window fan A window fan incorporating a filter. The fan has a low, flat profile for fitting in a window while occupying limited viewing area of the window. The fan includes laterally projecting extensions for sealing a gap which might otherwise exist at the right an... | 08/26/1997 |
| 5215559 | Device for separating fibres and gas A device for separating fibers and gas, comprising a cyclone (1) with inlet (2) for a mixture of fiber/gas and separate outlets (3 and 5, respectively) for fibers and gas, respectively. In front of the gas outlet (5) a screen (6, 10) is located, which is ... | 06/01/1993 |
| 4869737 | Apparatus for cleaning air in coal mines The apparatus includes a large-capacity main blower for drawing in air from the face of coal being mined. The main blower draws the air sequentially through a grid which deflects large pieces of coal into a refuse bin, and a main stage of centrifugal filt... | 09/26/1989 |
| 4655194 | System for removing fumes A system for removing fumes from the space above a cooking surface includes a hood, having front and side wall panels located above said cooking surface and covering the space above said cooking surface. The front wall panel is located forwardly of said c... | 04/07/1987 |
| 4626262 | Exhaust air system for electrostatic air cleaner An electrostatic air cleaner that is supported in the ceiling of a room is modified to vent a portion of the processed air. This venting improves the quality of the air in the occupied space or room. The venting is controlled by a moveable vent closure th... | 12/02/1986 |
| 4493312 | Induction fluid supply unit for exhaust hood apparatus A self-contained induction air supply unit is provided for an exhaust hood having an exhaust fan drawing of freeze laden air through an angled filter. The supply unit includes a supply chamber with a bottom stream forming slot having a curved bottom wall ... | 01/15/1985 |
| 4348057 | Blower and dust collecting machine and method of operation Dust generated in coal mining is removed by means of a blower having an exhaust fan which draws air through its intake opening from the face of the coal. The blower is provided with a first stage of closely-arranged small-diametered cylindrical-shaped ind... | 09/07/1982 |
| 4292051 | Apparatus and method for centrifugal fluid separator A method and apparatus for the ce ntrifugal separation of a fluid having heavier and lighter fractions into a first portion having an increased concentration of the heavier fraction and a second portion having an increased concentration of the lighter fra... | 09/29/1981 |
| 4255176 | Combined air purifier and destratifier A combined unit for purifying and destratifying heated air including a first inlet at a lower area for receiving air to be purified, an air purifier including an air demister and an electrostatic precipitator, a fan for drawing air through the first inlet... | 03/10/1981 |
| 4246013 | Cyclone type air/particulate concentrator and collector A cyclone vortex type air cleaner and particulate concentrator is provided having greatly improved air cleaning efficiency as the dirty gas stream is subjected to two distinct skimming operations; one between the gas inlet scroll and the outlet tube and t... | 01/20/1981 |
| 4210527 | Twin air classifier system An air classifier system which embodies two rotary drum classifiers, each with an individual adjustable plenum, the drums being individually angled at selected inclinations and the plenum capacities being variable, so that two separate masses of commingle... | 07/01/1980 |
| 4200442 | Apparatus for neutralizing and purifying air An apparatus for neutralizing and purifying air comprises an air filter, a preliminary drier, two alternately operable driers, a turbine for moving the air, a cooling unit, a heating unit, a moistening unit, at least one conditioner, and connecting means ... | 04/29/1980 |
| 4148616 | Scrubber for contaminated gas The scrubber has a substantially rotationally symmetrical vortex chamber provided at one end with an axial gas outlet whose diameter is substantially smaller than the diameter of the chamber. A coaxial impeller wheel is located at the other axial end of t... | 04/10/1979 |
| 3999471 | Filter hood device A filter hood device containing a gas treating filter and having a clean gas outlet aperture which is closed by a blank diffuser mounting panel. The blank diffuser mounting panel is adapted to be modified at a jobsite to receive a diffuser which is suitab... | 12/28/1976 |
