US 12,439,887 B2
Centrifugal pump pet water fountain
Kevin Michael Sayers, Knoxville, TN (US); Cody Lee Stricklin, Knoxville, TN (US); Anita Rechelle White, Knoxville, TN (US); Jonathan William Huber, Knoxville, TN (US); Marc Edward Brush, Knoxville, TN (US); Eric A Ward, Knoxville, TN (US); and Grant Given, Knoxville, TN (US)
Assigned to Radio Systems Corporation, Knoxville, TN (US)
Filed by Radio Systems Corporation, Knoxville, TN (US)
Filed on Jan. 1, 2025, as Appl. No. 19/007,526.
Application 18/386,676 is a division of application No. 17/219,549, filed on Mar. 31, 2021, granted, now 11,825,822, issued on Nov. 28, 2023.
Application 19/007,526 is a continuation of application No. 18/918,760, filed on Oct. 17, 2024, abandoned.
Application 18/918,760 is a continuation of application No. 18/390,252, filed on Dec. 20, 2023, granted, now 12,137,677, issued on Nov. 12, 2024.
Application 18/390,252 is a continuation of application No. 18/386,676, filed on Nov. 3, 2023.
Application 17/219,549 is a continuation in part of application No. 16/561,607, filed on Sep. 5, 2019, granted, now 11,470,813, issued on Oct. 18, 2022.
Claims priority of provisional application 62/727,225, filed on Sep. 5, 2018.
Prior Publication US 2025/0134063 A1, May 1, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. A01K 7/02 (2006.01); A01K 7/00 (2006.01); C02F 1/28 (2023.01); C02F 103/20 (2006.01)
CPC A01K 7/02 (2013.01) [C02F 1/283 (2013.01); C02F 2103/20 (2013.01); C02F 2301/04 (2013.01); C02F 2307/10 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A pet water fountain comprising:
a bowl for holding an aqueous drinking fluid;
a housing configured to cover a portion of the bowl, the housing defining a fluid reservoir that is disposed above the bowl;
a water lifting tube positioned within the housing, the water lifting tube having at least one rotatable component and a bottom end having a fluid inlet to allow the passage of fluid from the bowl through the fluid inlet and into the interior of the water lifting tube and a top end in fluid communication with the fluid reservoir;
a tube top portion disposed between the water lifting tube and the fluid reservoir;
an electric motor for driving the at least one rotatable component of the water lifting tube; and
a cap coupled to the housing positioned to overlay a top end of the tube top portion.