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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting By Geographic Region (State and Country),
Breakout By Organization

Count of 1969 - 2004 Utility Patent Grants,
By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Originating From

SOUTH AFRICA

( patent origin is determined by the residence of the first-named inventor )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 21 18 30 26 38 40 32 41 39 29 37 44 58 34 25 30 40 37 49 49 66 44 45 42 42 49 58 43 42 43 35 33 40 38 50 36 1423
SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION 1 1 2 2 2 5 0 7 1 7 6 1 10 5 1 3 8 3 3 4 3 4 0 1 0 0 0 0 0 0 0 0 0 0 0 0 80
AE + CI LIMITED 0 0 0 0 0 1 4 0 1 2 0 2 1 3 4 1 2 5 1 2 1 4 1 1 0 0 0 1 1 1 1 1 0 0 0 0 41
CSIR 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 4 5 6 3 4 0 1 1 0 2 4 1 1 36
ROTARY PROFILE ANSTALT 11 10 3 5 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32
SASOL TECHNOLOGY (PROPRIETARY) LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 7 8 5 8 31
TOBACCO RESEARCH AND DEVELOPMENT INSTITUTE LIMITED 1 1 2 1 0 1 1 1 1 0 1 0 0 1 0 0 1 1 1 0 0 1 1 1 0 0 1 0 0 0 0 1 0 0 0 0 19
CIRCUIT BREAKER INDUSTRIES LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 2 2 6 2 0 0 0 1 0 0 1 17
TECHNOLOGY FINANCE CORPORATION (PROPRIETARY) LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 4 1 1 1 0 0 0 3 1 1 17
NATIONAL INSTITUTE FOR METALLURGY 0 0 0 0 0 0 0 2 0 4 1 3 3 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
CRUCIBLE SOCIETE ANONYME 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 2 2 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 15
GENERAL MINING UNION CORPORATION LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 3 0 2 1 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
LILLIWYTE SOCIETE ANONYME 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 2 5 3 1 0 0 0 0 0 0 0 0 0 0 0 0 15
DENEL (PROPRIETARY) LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 1 1 1 3 0 1 1 14
WATER RESEARCH COMMISSION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 1 0 0 1 1 2 1 4 0 1 0 14
H L & H TIMBER PRODUCTS (PROPRIETARY) LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 1 0 2 3 1 2 0 1 0 0 0 0 0 13
BOART INTERNATIONAL LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 2 1 1 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 12
MINTEK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 1 2 0 0 0 0 2 0 0 1 12
AFRICAN EXPLOSIVES AND CHEMICAL INDUSTRIES LIMITED 1 1 3 2 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
ATOMIC ENERGY CORPORATION OF SOUTH AFRICA LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 4 2 2 1 0 0 0 0 0 11
ROTAQUE PROPRIETARY LIMITED 0 1 0 0 0 1 0 0 0 0 0 0 0 3 0 0 1 0 2 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 11
WINDSOR TECHNOLOGIES LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 6 1 0 11
ANGLO AMERICAN CORPORATION OF SOUTH AFRICA LIMITED 0 0 3 0 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 10
NATIONAL ENERGY COUNCIL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 1 3 1 0 0 0 0 0 0 0 0 0 0 10
ANGLO-TRANSVAAL CONSOLIDATED INVESTMENT COMPANY LIMITED 0 0 0 1 5 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
COUNCIL FOR MINERAL TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 9
IMPLICO B.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 3 1 0 0 9
ESKOM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 1 0 0 1 8
STEEL ENGINEERING COMPANY LIMITED 0 0 0 0 0 0 0 0 1 2 1 1 0 0 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
BRITISH TECHNOLOGY GROUP LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 1 1 0 0 0 0 0 0 7
DE BEERS INDUSTRIAL DIAMOND DIVISION LIMITED 0 0 0 0 1 1 3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 7
PLESSEY SOUTH AFRICA LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 7
PROGRAMME 3 PATENT HOLDINGS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 3 0 1 0 0 0 0 0 0 0 7
SIEMENS AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SOUTH AFRICAN COAL, OIL AND GAS CORPORATION LIMITED 0 0 0 0 1 0 0 3 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
ZARINA HOLDING C.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 2 0 0 0 0 0 0 0 0 0 7
AFRICAN OXYGEN LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 1 0 1 0 0 0 0 0 0 6
IMPERIAL CHEMICAL INDUSTRIES PLC 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 6
IPCOR NV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 1 1 6
JOHANNESBURG CONSOLIDATED INVESTMENT COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 6
ROECAR HOLDINGS (NETHERLANDS ANTILLES) N.V. 0 0 0 0 0 0 0 0 0 0 1 1 2 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SASOL CHEMICAL INDUSTRIES (PROPRIETARY) LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 0 0 0 1 0 0 6
SENTRACHEM LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 6
SLIC TRADING COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 1 0 1 6
SUPERSENSOR (PROPRIETARY) LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 0 1 6
SWARSAB MINING, EXPLORATION DEVELOPMENT COMPANY LIMITED 0 0 0 0 0 0 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
UNIVERSITY OF PRETORIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 0 2 6
ATOMIC ENERGY BOARD 2 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CLAAS SELBSTFAHRENDE ERNTEMASCHINEN GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 5
FARMARC NEDERLAND B.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 1 0 0 0 5
INTERMENUA PROPRIETARY LIMITED 0 0 0 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
JOHANNESBURG CONSTRUCTION CORPORATION (PTY) LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MATTHEY RUSTENBURG REFINERS (PTY) LTD. 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MOLEX INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 1 0 0 0 1 0 0 0 0 0 5
PEACOCK INVESTMENTS (PROPRIETARY) LIMITED 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PLASCON TECHNOLOGIES (PROPRIETARY) LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 0 0 0 0 0 0 0 0 5
ROOPEROL (NA) NV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 1 0 0 1 0 0 0 0 0 5
SCHERING AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 2 1 0 0 0 0 0 0 0 5
SCREENEX WIRE WEAVING MANUFACTURES (PROPRIETARY) LIMITED 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SOUTH AFRICAN PULP AND PAPER INDUSTRIES LIMITED 0 0 0 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5


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