Patent applications by field of technology: 2001-2005
WIPO Statistics Database, July 2008 Note: The International Patent Classification (IPC) symbols assigned to the patent document are linked to the fields of technology by a concordanc 2001 I - Electrical engineering Electrical machinery, apparatus, energy Audio-visual technology Telecommunications Digital communication Basic communication processes Computer technology IT methods for management Semiconductors II - Instruments Optics Measurement Analysis of biological materials Control Medical technology III - Chemistry Organic fine chemistry Biotechnology Pharmaceuticals Macromolecular chemistry, polymers Food chemistry Basic materials chemistry Materials, metallurgy Surface technology, coating Micro-structural and nano-technology Chemical engineering Environmental technology IV - Mechanical engineering Handling Machine tools Engines, pumps, turbines Textile and paper machines Other special machines Thermal processes and apparatus Mechanical elements Transport V - Other fields Furniture, games Other consumer goods Civil engineering 101,276 90,401 96,631 44,017 21,889 117,545 34,070 78,398 85,113 72,009 18,518 38,100 108,106 64,170 45,573 69,355 41,842 21,296 51,058 39,882 41,086 3,425 51,319 29,889 52,960 44,722 45,462 49,570 63,169 27,958 54,363 70,698 44,921 38,596 56,701 2002 98,673 84,928 91,313 42,977 20,651 111,675 25,110 78,729 84,236 69,353 17,878 34,937 107,072 64,026 47,576 69,160 38,615 23,535 48,418 37,451 39,478 2,770 48,148 28,718 50,088 41,703 45,213 48,276 60,912 27,856 51,874 69,533 44,821 36,850 54,694 2003 101,959 91,405 94,867 45,076 20,653 116,656 21,615 81,411 86,565 71,859 16,861 35,351 105,554 59,622 44,632 66,050 36,656 24,850 46,106 36,813 39,894 2,994 46,306 28,636 49,897 41,147 46,531 48,519 57,225 28,203 52,268 75,362 46,419 38,305 56,680 2004 114,426 106,765 105,652 48,995 21,691 132,787 21,267 89,548 94,868 77,042 15,789 37,883 99,868 59,835 41,993 68,650 36,108 23,110 45,508 35,579 41,208 2,967 44,906 28,365 51,465 42,018 47,896 48,459 55,465 29,526 53,861 78,067 49,331 40,254 57,450 2005 121,350 109,253 116,770 50,069 21,671 144,594 22,579 95,107 103,390 81,038 14,416 37,921 99,195 63,317 40,861 74,254 38,137 24,653 48,040 37,705 42,437 3,357 44,845 28,650 52,072 43,691 48,725 51,090 56,157 30,314 55,277 82,031 51,219 40,741 60,245
ment are linked to the fields of technology by a concordance. Because a patent application may be assigned multiple IPC symbols, the sum of patent filings by fields of tech
e IPC symbols, the sum of patent filings by fields of technology is higher than the total number of patent filings.