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THORE MARTIN ELFVING

Overview
  • Total Patents
    24
About

THORE MARTIN ELFVING has a total of 24 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United Kingdom, Germany and Switzerland. Its main competitors in its focus markets thermal processes, environmental technology and semiconductors are ELFVING THORE MARTIN, ELFVING THORE M and SHEETAK INC.

Patent filings in countries

World map showing THORE MARTIN ELFVINGs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 Germany 7
#3 Switzerland 1

Patent filings per year

Chart showing THORE MARTIN ELFVINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Elfving Thore Martin 3
#2 Thore Martin Elfving 1

Latest patents

Publication Filing date Title
GB1145858A Thermoelectric assembly
GB1069587A Thermoelectric ice freezing apparatus
GB1097423A Thermoelectric elements and assemblies thereof
GB1035530A Improvements in or relating to thermoelectric heat pump units
GB817450A Refrigerating system for vehicles
GB432189A Improvements in heat transfer systems, particularly for cooling absorption refrigerator apparatus
GB430413A Improvements in absorption refrigerating apparatus
GB425358A Improvements in or relating to the combustion of liquid fuel
GB402789A Improvements in washing boilers and similar apparatus
DE569786C Intermittent absorption refrigeration machine
GB360290A Improvements in or relating to washing boilers and similar apparatus