Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7376985 | Moving siphon pipe driving device in a flushing pot The present invention relates to a toilet. More particularly, the present invention is directed to an apparatus for operating a variable siphon tube of a toilet, wherein operating reliability of the variable siphon tube can be primarily improved as well as a deodori... | 05/27/2008 |
| 6944891 | Toilets with trapways having an air dam A toilet has a trapway extending between a bowl opening and an outlet opening. The trapway defines a curved water dam region above the bowl opening, a down leg, and a straight out leg between the down leg and the outlet opening. The out leg has an air dam cavity suc... | 09/20/2005 |
| 6757918 | Waste outlet fitting for a sanitary appliance, in particular a urinal A waste outlet fitting having a siphon which is mounted in a cup-shaped housing. The siphon has an inlet and an outlet and is inserted into the housing from above. For cleaning and maintenance, the siphon can be removed upwardly and subsequently re-inserted from abo... | 07/06/2004 |
| 5983413 | High performance flush toilet A flush toilet bowl comprises a bowl part (1) and a discharge trap (2) formed continuously at the bottom of the bowl part, and the discharge trap (2) further comprises a rising channel (22) extending in the obliquely upward direction from the bottom of th... | 11/16/1999 |
| 5918325 | Flush toilet bowl A flush toilet bowl comprises a bowl part (1) and a discharge trap (2) formed continuously at the bottom of the bowl part. The discharge trap (2) further comprises a rising channel (22) extending in the obliquely upward direction from the bottom of the bo... | 07/06/1999 |
| 5642533 | Water saving toilet A water saving toilet comprising a water assembly and a bowl assembly. The tank assembly includes a water tank, a lid for the water tank and a water supply control mechanism provided in the water tank, a water trap control mechanism and a water flushing c... | 07/01/1997 |
| 5487193 | Enhanced operation toilet A water saver toilet is provided, of the type that applies a vacuum to the toilet bowl outlet to assist flushing, which effectively uses the vacuum and which can be of low height. The toilet bowl outlet includes upper and lower trap devices (44, 50 in FIG... | 01/30/1996 |
| 5404597 | Vacuum assist toilet trap A vacuum assisted toilet wherein a vacuum is applied between upper and lower traps (40,44 in FIG. 2) of a toilet bowl outlet during a flushing, wherein the lower trap is constructed to more reliably assure that an air passage (64) above a pool of water (5... | 04/11/1995 |
| 5386596 | Water saver toilet A water saver toilet is provided, of the type that applies a vacuum to the toilet bowl outlet to assist flushing, which effectively uses the vacuum. The toilet bowl outlet includes upper and lower trap devices (44, 50 in FIG. 2) connected by a trapway (46... | 02/07/1995 |
| 4499617 | Water closet modifications An insertable weir structure for a water closet includes a cylindrical valve, with an opening thru the cylinder perpendicular to and passing thru its axis; rotatable and externally controlled such that in one position it permits the liquid wastes to pass ... | 02/19/1985 |
| 4407025 | Water-conserving toilet A water-conserving toilet is disclosed and includes a bowl for receiving waste and a waste outlet extending laterally from the bowl and defining a first, shallow trap arranged so that a relatively shallow body of liquid is normally retained in the bottom ... | 10/04/1983 |
| 4197599 | Water-saving toilet bowl The present invention is related to a water-saving toilet bowl wherein the main flush inlet and secondary flush inlets are improved whereby the secondary flush enters into the upper reservoir later than the main flush; and in addition, the guiding plate b... | 04/15/1980 |
| 4155129 | Pan type bottom discharge toilet A bottom discharge toilet in which a trap is formed integrally with the toilet base. While the trap plays no role in the flushing action of the toilet itself, it is adapted to receive the discharge from other plumbing fixtures and thereby to serve as a si... | 05/22/1979 |
| 4115883 | Diaphragm activated toilet A toilet for conserving water, the toilet having a water storage chamber which includes an expandable diaphragm wall that on filling under household water supply pressure conforms to a wall of a complimentary air chamber separated from the storage compart... | 09/26/1978 |