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WEIR ENVIROTECH PTY LTD

Overview
  • Total Patents
    34
About

WEIR ENVIROTECH PTY LTD has a total of 34 patent applications. Its first patent ever was published in 1997. It filed its patents most often in South Africa, African Regional Industrial Property Organization and Brazil. Its main competitors in its focus markets engines, pumps and turbines and mechanical elements are ZHANGJIAGANG SANLI SEALING ALLOY MAT CO LTD, SUNDYNE LLC and WHW GROUP INC.

Patent filings per year

Chart showing WEIR ENVIROTECH PTY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Geldenhuys Siegfried 20
#2 Todd Robert Denis 10
#3 Siegfried Geldenhuys 4
#4 Tucker Jeremy Paul 1
#5 Levin Kenneth 1
#6 Denis Todd Robert 1
#7 Berg Abraham Hermanus Van Den 1

Latest patents

Publication Filing date Title
AP200503267A0 Sealing between components of a rotary machine
ZA200307530B Liquid flinger for a pump.
AP200302835A0 Shielding a bearing and seal assembly from undesirable matter.
ZA200302137B Shielding a bearing and seal assembly from undesirable matter.
ZA200209154B Pumps.
ZA200207808B Sealing a rotary pump.
AP200202614A0 A sealing arrangement for annular stationary rigidcomponents of rotary machines such as pumps
AP200202615A0 A method of cooling a bearing by grease lubrication.
ZA200203921B Grease lubrication.
ZA200203919B Sealing.
AP200202666A0 Sealing a rotary pump
ZA9704175B A batch flotation process.