Patent assignee · ZA · COMPANY

CSIR

117Patents
66Active
117Granted
52Portfolio score

Filing activity: May 12, 1989 → Feb 21, 2023 · 19 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5368398A Diamond bearing assembly Mechanical Engineering; Lighting; Heating 282 Expired
US5214410A Location of objects Physics 131 Expired
US6221399A Method of making controlled release particles of complexed polymers Human Necessities 69 Expired
US4980251A Method of synthesizing a lithium manganese oxide Emerging Cross-Sectional Technologies 57 Expired
US5153081A Lithium manganese oxide compound Emerging Cross-Sectional Technologies 55 Expired
US5423617A Shelf mountable printing apparatus Physics 44 Expired
US5353009A Communication system Electricity 42 Expired
US5539636A Surface blasting system Mechanical Engineering; Lighting; Heating 42 Expired
US5096393A Peristaltic pump with hinged rotor support housing and adjustable tube rack Mechanical Engineering; Lighting; Heating 41 Expired
US5463671A Telecommunications network having a distributed network of decentralized local stations Electricity 33 Expired
US5017532A Sintered ceramic product Chemistry; Metallurgy 31 Expired
US5189246A Timing apparatus Mechanical Engineering; Lighting; Heating 30 Expired
US5503818A Aluminosilicate catalyst, a process for the manufacture thereof and a process for the skeletal isomerization of linear olefins Chemistry; Metallurgy 29 Expired
US5406890A Timing apparatus Mechanical Engineering; Lighting; Heating 28 Expired
US5282421A Timing apparatus Mechanical Engineering; Lighting; Heating 25 Expired
US5254520A Catalyst for the synthesis of methanol Emerging Cross-Sectional Technologies 23 Expired
US5156746A Treatment of water Emerging Cross-Sectional Technologies 22 Expired
US5232429A Method and apparatus for making a continuous tube of flexible sheet material Textiles; Paper 20 Expired
US6376657B1 Pharmaceutical compositions having appetite suppressant activity Emerging Cross-Sectional Technologies 17 Expired
US5344219A Motor vehicle wheel frame Emerging Cross-Sectional Technologies 16 Expired
US5035807A Water treatment for sulfate ion removal Emerging Cross-Sectional Technologies 15 Expired
US6306302A Process for treatment of sulphate-containing water Emerging Cross-Sectional Technologies 11 Expired
US6490881B1 Generating displacement and theroacoustic refrigerator Mechanical Engineering; Lighting; Heating 9 Expired
US8071146B2 In-shell pasteurization of eggs Human Necessities 9 Active
US9226022B2 Method of switching from a first encoded video stream to a second encoded video stream Electricity 8 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.