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DAWSON PETER LEONARD

Overview
  • Total Patents
    17
About

DAWSON PETER LEONARD has a total of 17 patent applications. Its first patent ever was published in 1974. It filed its patents most often in South Africa and Germany. Its main competitors in its focus markets mechanical elements are SHANXI INST OF MECHANICAL & ELECTRICAL ENGINEERING, FACI CHEMICALS ZHANGJIAGANG CO LTD and OKAZAKI YASUKICHI.

Patent filings in countries

World map showing DAWSON PETER LEONARDs patent filings in countries
# Country Total Patents
#1 South Africa 16
#2 Germany 1

Patent filings per year

Chart showing DAWSON PETER LEONARDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

Top inventors

# Name Total Patents
#1 Dawson Peter Leonard 17
#2 Peter Leonard Dawson 4
#3 Leonard Dawson Peter 1

Latest patents

Publication Filing date Title
ZA9609312B Air release and vacuum break valve
ZA9609311B Air release valve
ZA9608933B Non-return valve
ZA9605803B Check valve
ZA9502560B Float operated pilot valve
ZA9410319B Valve component
ZA9402875B Resilient seals
ZA9400566B Pinch cock
ZA8706169B Housing for diaphragm valve
ZA8703418B Full bore waifer type check valve
ZA8703163B Diaphragm valve
ZA8702872B Restricted orifice check valve
ZA8608197B Valves
ZA8601842B Valve
ZA8506914B Air release/vacuum break valve
ZA8103699B Valves
DE2442814A1 Valve with flexible closure assembly - has closure member supported on resilient diaphragm