NZ328321A - Hand held in line electric water heater for killing weeds, power supply to elements thermostatically controlled - Google Patents

Hand held in line electric water heater for killing weeds, power supply to elements thermostatically controlled

Info

Publication number
NZ328321A
NZ328321A NZ32832198A NZ32832198A NZ328321A NZ 328321 A NZ328321 A NZ 328321A NZ 32832198 A NZ32832198 A NZ 32832198A NZ 32832198 A NZ32832198 A NZ 32832198A NZ 328321 A NZ328321 A NZ 328321A
Authority
NZ
New Zealand
Prior art keywords
elements
line electric
water heater
electric water
thermostatically controlled
Prior art date
Application number
NZ32832198A
Inventor
John Deane Weatherly
David Garth Reid
Original Assignee
Waipuna Internat Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Waipuna Internat Ltd filed Critical Waipuna Internat Ltd
Priority to NZ32832198A priority Critical patent/NZ328321A/en
Publication of NZ328321A publication Critical patent/NZ328321A/en

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Abstract

A hand-held spray wand, used for killing weeds with boiling water incorporates a thermostatically controlled in-line electric water heater. The heater incorporates two elements 107 and 109. One element, 107, provides most of the heat energy, while the other element 109 is controlled by thermostat 108 to maintain the outlet water temperature at 95 - 100‹C. Water passes through the element 107 first, and then the second. An electronic controller may be used instead of the thermostat.
NZ32832198A 1998-07-10 1998-07-10 Hand held in line electric water heater for killing weeds, power supply to elements thermostatically controlled NZ328321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ32832198A NZ328321A (en) 1998-07-10 1998-07-10 Hand held in line electric water heater for killing weeds, power supply to elements thermostatically controlled

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ32832198A NZ328321A (en) 1998-07-10 1998-07-10 Hand held in line electric water heater for killing weeds, power supply to elements thermostatically controlled

Publications (1)

Publication Number Publication Date
NZ328321A true NZ328321A (en) 2000-01-28

Family

ID=19926346

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ32832198A NZ328321A (en) 1998-07-10 1998-07-10 Hand held in line electric water heater for killing weeds, power supply to elements thermostatically controlled

Country Status (1)

Country Link
NZ (1) NZ328321A (en)

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Legal Events

Date Code Title Description
PSEA Patent sealed
ASS Change of ownership

Owner name: HOT WATER WEED CONTROL LIMITED, NZ

Free format text: OLD OWNER(S): WAIPUNA INTERNATIONAL LIMITED

RENW Renewal (renewal fees accepted)
ASS Change of ownership

Owner name: HWWC HOLDINGS LIMITED, NZ

Free format text: OLD OWNER(S): HOT WATER WEED CONTROL LIMITED

ASS Change of ownership

Owner name: GREEN WEEDER HOLDINGS LIMITED, NZ

Free format text: OLD OWNER(S): HOT WATER WEED CONTROL LIMITED

Owner name: GREEN WEEDER HOLDINGS LIMITED, NZ

Free format text: OLD OWNER(S): GREEN WEEDER HOLDINGS LIMITED; HWWC HOLDINGS LIMITED

RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
EXPY Patent expired