Shower system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11220809
APP PUB NO 20200131746A1
SERIAL NO

16494129

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The shower system has a heat exchanger located in compartment vertically adjacent to the wall of the shower space and closed off by an openable or removable panel. The heat exchanger comprising a helically winding heat exchange conduit with successive windings around a vertical axis in said compartment above the floor of the shower space. A pump coupled to the shower drain pumps warm water to a warm water feed of the heat exchanger, from where it is sprayed on a top winding of the heat exchange conduit. Tap water is fed to the shower head successively via the heat exchange conduit and a heater and/or a mixing element for mixing water from the heat exchanger with water from a supply input for external hot water.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO2595 DA 'S-GRAVENHAGE
WILMAR HOLDING B VDE LINGE 33 DRONTEN 8253 PJ
HAMETECH HOLDING B VJACOB CATSLAAN 45 ERMELO 3852 BT

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jacobs, Peter Delft, NL 23 228
Kemp, Richard Edward John Leiden, NL 1 1
Ligtermoet, Wilhelm Hendrik Ermelo, NL 1 1
Nennie, Erik Daniel Delft, NL 1 1
Ter, Meer Bert Ermelo, NL 1 1
Van, de Koot Johny Doornspijk, NL 1 1

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jul 11, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 11, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 11, 2033
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Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00