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

Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 2000 - 2004 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of U.S. States and Countries
From Which 1 or More Utility Patents Originated During the Period
Having Primary Classification In

Class 123, Internal-Combustion Engines

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent origin is determined by the residence of the first-named inventor )

The following table displays U.S. states and countries and counts of utility patents originating from them; patents are distributed by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 2000 2001 2002 2003 2004 Total
(U.S.) MI MICHIGAN 134 204 214 214 202 968
(U.S.) IL ILLINOIS 73 61 102 81 76 393
(U.S.) NY NEW YORK 14 27 53 40 51 185
(U.S.) IN INDIANA 45 44 28 28 35 180
(U.S.) WI WISCONSIN 27 43 37 34 36 177
(U.S.) CA CALIFORNIA 38 40 30 31 32 171
(U.S.) FL FLORIDA 13 19 15 19 15 81
(U.S.) VA VIRGINIA 19 17 23 13 9 81
(U.S.) TX TEXAS 10 17 14 17 8 66
(U.S.) CT CONNECTICUT 16 13 17 10 8 64
(U.S.) OH OHIO 2 12 17 13 10 54
(U.S.) PA PENNSYLVANIA 6 18 10 4 8 46
(U.S.) MN MINNESOTA 15 9 6 5 3 38
(U.S.) CO COLORADO 10 8 5 6 6 35
(U.S.) MA MASSACHUSETTS 4 9 7 7 8 35
(U.S.) NC NORTH CAROLINA 6 7 8 8 3 32
(U.S.) NJ NEW JERSEY 4 3 6 8 9 30
(U.S.) TN TENNESSEE 6 7 4 10 3 30
(U.S.) AZ ARIZONA 4 9 4 5 5 27
(U.S.) WA WASHINGTON 3 6 5 5 8 27
(U.S.) SC SOUTH CAROLINA 2 4 7 6 5 24
(U.S.) MO MISSOURI 2 2 5 4 4 17
(U.S.) AL ALABAMA 1 6 3 1 3 14
(U.S.) GA GEORGIA 2 4 1 5 1 13
(U.S.) IA IOWA 2 5 3 2 1 13
(U.S.) KS KANSAS 0 0 4 6 3 13
(U.S.) MD MARYLAND 2 5 2 2 2 13
(U.S.) OR OREGON 1 3 1 2 6 13
(U.S.) OK OKLAHOMA 1 3 2 3 2 11
(U.S.) LA LOUISIANA 2 1 2 3 2 10
(U.S.) NV NEVADA 0 1 2 2 2 7
(U.S.) NH NEW HAMPSHIRE 2 3 1 0 0 6
(U.S.) WV WEST VIRGINIA 0 2 3 1 0 6
(U.S.) AK ALASKA 1 1 2 1 0 5
(U.S.) MS MISSISSIPPI 0 1 1 2 1 5
(U.S.) UT UTAH 1 0 1 1 2 5
(U.S.) DC DISTRICT OF COLUMBIA 1 1 2 0 0 4
(U.S.) ID IDAHO 1 0 1 2 0 4
(U.S.) NM NEW MEXICO 0 1 1 1 1 4
(U.S.) AR ARKANSAS 0 1 1 1 0 3
(U.S.) MT MONTANA 0 2 0 0 1 3
(U.S.) ND NORTH DAKOTA 2 1 0 0 0 3
(U.S.) KY KENTUCKY 0 0 0 1 1 2
(U.S.) ME MAINE 0 1 1 0 0 2
(U.S.) PR PUERTO RICO 0 0 0 0 2 2
(U.S.) SD SOUTH DAKOTA 0 1 1 0 0 2
(U.S.) DE DELAWARE 0 1 0 0 0 1
(U.S.) HI HAWAII 0 0 0 0 1 1
(U.S.) NE NEBRASKA 0 0 0 0 1 1
(U.S.) RI RHODE ISLAND 1 0 0 0 0 1
(U.S.) VT VERMONT 0 0 0 1 0 1
(U.S.) WY WYOMING 0 0 0 1 0 1
(U.S.)   -- Subtotal -- 473 623 652 606 576 2930
(Foreign) JPX JAPAN 476 579 560 602 570 2787
(Foreign) DEX GERMANY 261 284 333 306 301 1485
(Foreign) CAX CANADA 24 49 45 38 27 183
(Foreign) GBX UNITED KINGDOM 29 47 36 23 31 166
(Foreign) SEX SWEDEN 23 27 24 29 22 125
(Foreign) FRX FRANCE 22 30 22 18 21 113
(Foreign) ATX AUSTRIA 15 23 14 26 29 107
(Foreign) ITX ITALY 15 18 19 26 23 101
(Foreign) KRX SOUTH KOREA 8 10 11 21 26 76
(Foreign) AUX AUSTRALIA 12 7 15 11 12 57
(Foreign) TWX TAIWAN 7 9 7 9 10 42
(Foreign) CHX SWITZERLAND 4 5 3 4 3 19
(Foreign) NLX NETHERLANDS 3 4 4 2 0 13
(Foreign) FIX FINLAND 2 4 4 1 0 11
(Foreign) ARX ARGENTINA 0 2 4 1 1 8
(Foreign) DKX DENMARK 1 3 3 0 1 8
(Foreign) RUX RUSSIAN FEDERATION 4 2 2 0 0 8
(Foreign) KWX KUWAIT 0 0 0 5 2 7
(Foreign) BEX BELGIUM 1 1 0 4 0 6
(Foreign) ILX ISRAEL 0 2 2 2 0 6
(Foreign) ESX SPAIN 1 1 0 2 1 5
(Foreign) INX INDIA 2 1 0 2 0 5
(Foreign) CNX CHINA P.REP. 2 0 2 0 0 4
(Foreign) LIX LIECHTENSTEIN 0 2 2 0 0 4
(Foreign) MXX MEXICO 1 0 2 0 1 4
(Foreign) VEX VENEZUELA 0 2 1 1 0 4
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 1 0 0 1 3
(Foreign) NOX NORWAY 0 3 0 0 0 3
(Foreign) NZX NEW ZEALAND 0 1 2 0 0 3
(Foreign) BRX BRAZIL 1 1 0 0 0 2
(Foreign) COX COLOMBIA 0 1 0 1 0 2
(Foreign) LUX LUXEMBOURG 0 1 0 1 0 2
(Foreign) MYX MALAYSIA 0 0 0 0 2 2
(Foreign) TTX TRINIDAD/TOBAGO 0 1 0 1 0 2
(Foreign) AZX AZERBAIJAN 1 0 0 0 0 1
(Foreign) BGX BULGARIA 0 0 0 1 0 1
(Foreign) EGX EGYPT 1 0 0 0 0 1
(Foreign) GRX GREECE 1 0 0 0 0 1
(Foreign) IEX IRELAND 0 1 0 0 0 1
(Foreign) PEX PERU 0 0 0 0 1 1
(Foreign) PHX PHILIPPINES 0 0 0 1 0 1
(Foreign) PTX PORTUGAL 0 0 0 0 1 1
(Foreign) SAX SAUDI ARABIA 0 0 0 1 0 1
(Foreign) THX THAILAND 0 0 0 1 0 1
(Foreign) TRX TURKEY 0 0 1 0 0 1
(Foreign) UAX UKRAINE 0 0 0 1 0 1
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 918 1122 1118 1141 1087 5386
(ALL) ALL All Regions, U.S. and Foreign 1391 1745 1770 1747 1663 8316


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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