Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7987552 | Floor care appliance with a plurality of cleaning modes A floor care appliance is provided for cleaning bare surfaces such as tile, marble, linoleum and wood. The floor care appliance is comprised of a base portion having a suction nozzle and a brush block having a plurality of vertical axis rotary agitators for cleaning... | 08/02/2011 |
| 7353563 | Vacuum cleaner height adjustment A vacuum cleaner height adjustment mechanism including a cleaning head having a pair of laterally spaced front wheels and a pair of laterally spaced rear wheels mounted for rotation within the cleaning head for supporting the cleaning head on a floor during vacuum c... | 04/08/2008 |
| 7222390 | Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor A clutchless, direct drive, self-propelled vacuum cleaner includes a nozzle base having a suction inlet and a housing pivotally mounted on the nozzle base. A suction source is mounted to one of the nozzle base and the housing. A filter chamber is located in one of t... | 05/29/2007 |
| 7216397 | Collection tank and associated cleaning system The present invention is directed to a cleaning system (e.g., carpet cleaning system) that includes a collection tank (also referred to in the art as a waste tank, waste water tank, recovery tank, or the like) that at least generally tapers toward a bottom end of th... | 05/15/2007 |
| 7213298 | Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor A clutchless, direct drive, self-propelled vacuum cleaner includes a nozzle base having a suction inlet and a housing pivotally mounted on the nozzle base. A suction source is mounted to one of the nozzle base and the housing. A filter chamber is located in one of t... | 05/08/2007 |
| 7200892 | Robot cleaner with adjustable brush A robot cleaner with a pivotable brush which pivots in accordance with a condition of a floor surface to be cleaned. The pivotal brush prevents overload to a suction motor caused by excessive contact of the brush with the floor surface to be cleaned. The robot clean... | 04/10/2007 |
| 7134160 | Cleaning device In a cleaning device 10, a dustpan portion 23 is supported to a frame 15 so as to freely oscillate independently from a scraping up body 16 in a vertical direction, and a dust receiving portion 23C of the dustpan portion 23 ... | 11/14/2006 |
| 7076830 | Electronically commutated drive system for vacuum cleaner A self-propelled appliance, such as a vacuum cleaner includes a magnetic field sensor and magnet. A relative position between the magnetic field sensor and the magnet can be changed by a user of the appliance. The magnetic field sensor generates a signal indicating ... | 07/18/2006 |
| 6918156 | Suction brush assembly having rotation roller for sweeping dust A suction brush assembly of a vacuum cleaner has a housing having a suction duct to provide a suction passage for dust, a rotation roller having a plurality of ribs formed at an outer circumference, a wheel disposed at the housing, and a power transmission unit to r... | 07/19/2005 |
| 5951780 | Surface treatment method and apparatus including brush means and impact means mounted on a single shaft Surface treatment apparatus having impact elements for impacting a surface to be treated, a brush element for brushing the surface, a drive device for operating the impact element and the brush elements, and a carriage device enabling the surface treatmen... | 09/14/1999 |
| 5477587 | Vacuum power head with bare floor feature A vacuum power head is provided which has a bare floor feature. A vacuum cleaner head assembly defines a vacuum chamber which contains a power driven rotary brush. Located outside of the vacuum chamber adjacent the rotary brush is a generally U-shaped tra... | 12/26/1995 |
| 5317784 | Vacuum power head with bare floor feature A vacuum power head is provided which has a bare floor feature. A vacuum cleaner head assembly defines a vacuum chamber which contains a power driven rotary brush. Located outside of the vacuum chamber adjacent the rotary brush is a generally U-shaped tra... | 06/07/1994 |
| 5269042 | Height adjustment system for vacuum cleaner A height adjustment system for an upright vacuum cleaner comprises a cam member with a cam surface. The cam member is mounted within a base and includes rollers which facilitate the sliding lateral movement of the cam member within the base. The rollers r... | 12/14/1993 |
| 5134750 | Cleaner with conversion valve arrangement A cleaner suction nozzle is provided in which provisions are made for a nozzle height elevation arrangement and a hose conversion valve arrangement. The hose conversion valve arrangement works in conjunction with the nozzle height elevation arrangement so... | 08/04/1992 |