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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 1998 - 2002 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 219, Electric Heating

( 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 1998 1999 2000 2001 2002 Total
(U.S.) CA CALIFORNIA 74 69 74 95 103 415
(U.S.) OH OHIO 38 48 49 58 46 239
(U.S.) NY NEW YORK 26 23 45 41 39 174
(U.S.) MI MICHIGAN 28 17 38 42 32 157
(U.S.) WI WISCONSIN 18 16 37 38 33 142
(U.S.) TX TEXAS 19 21 40 32 18 130
(U.S.) IL ILLINOIS 16 16 23 19 23 97
(U.S.) MA MASSACHUSETTS 7 18 22 18 29 94
(U.S.) NC NORTH CAROLINA 12 18 20 23 15 88
(U.S.) PA PENNSYLVANIA 18 19 14 16 11 78
(U.S.) CT CONNECTICUT 10 23 15 10 13 71
(U.S.) MN MINNESOTA 13 18 15 12 13 71
(U.S.) FL FLORIDA 10 9 18 19 14 70
(U.S.) TN TENNESSEE 5 9 10 19 18 61
(U.S.) SC SOUTH CAROLINA 12 5 15 12 12 56
(U.S.) WA WASHINGTON 17 5 12 10 7 51
(U.S.) IN INDIANA 6 4 17 15 7 49
(U.S.) NH NEW HAMPSHIRE 6 9 11 5 16 47
(U.S.) NJ NEW JERSEY 11 9 9 6 6 41
(U.S.) MO MISSOURI 4 8 11 11 6 40
(U.S.) ID IDAHO 4 5 12 7 11 39
(U.S.) VA VIRGINIA 5 9 4 5 12 35
(U.S.) AZ ARIZONA 3 6 2 12 10 33
(U.S.) GA GEORGIA 4 8 9 6 3 30
(U.S.) KY KENTUCKY 5 8 5 5 4 27
(U.S.) AL ALABAMA 2 7 2 4 5 20
(U.S.) CO COLORADO 8 3 4 5 0 20
(U.S.) IA IOWA 1 7 7 3 2 20
(U.S.) MD MARYLAND 7 3 3 2 4 19
(U.S.) OR OREGON 7 2 1 3 5 18
(U.S.) KS KANSAS 1 11 1 0 2 15
(U.S.) NM NEW MEXICO 2 1 3 3 6 15
(U.S.) NV NEVADA 0 1 8 2 4 15
(U.S.) UT UTAH 3 3 3 3 2 14
(U.S.) OK OKLAHOMA 1 6 3 1 2 13
(U.S.) DE DELAWARE 0 2 4 1 1 8
(U.S.) MS MISSISSIPPI 1 3 0 2 2 8
(U.S.) VT VERMONT 0 2 1 3 2 8
(U.S.) NE NEBRASKA 3 1 0 2 1 7
(U.S.) LA LOUISIANA 1 0 0 3 2 6
(U.S.) ME MAINE 1 2 0 2 0 5
(U.S.) RI RHODE ISLAND 0 0 3 1 1 5
(U.S.) MT MONTANA 1 0 1 0 2 4
(U.S.) ND NORTH DAKOTA 0 1 1 2 0 4
(U.S.) AR ARKANSAS 1 1 1 0 0 3
(U.S.) DC DISTRICT OF COLUMBIA 3 0 0 0 0 3
(U.S.) AK ALASKA 0 1 1 0 0 2
(U.S.) HI HAWAII 0 0 0 0 2 2
(U.S.) WV WEST VIRGINIA 0 0 1 0 1 2
(U.S.) SD SOUTH DAKOTA 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 415 457 575 578 547 2572
(Foreign) JPX JAPAN 186 201 238 230 223 1078
(Foreign) DEX GERMANY 51 70 96 94 86 397
(Foreign) KRX SOUTH KOREA 49 65 52 34 54 254
(Foreign) FRX FRANCE 31 33 36 32 28 160
(Foreign) CAX CANADA 14 21 30 24 27 116
(Foreign) GBX UNITED KINGDOM 16 20 24 24 17 101
(Foreign) TWX TAIWAN 11 6 17 23 28 85
(Foreign) CHX SWITZERLAND 15 16 11 8 19 69
(Foreign) ITX ITALY 12 13 11 9 16 61
(Foreign) SEX SWEDEN 6 17 8 11 11 53
(Foreign) ILX ISRAEL 5 6 10 6 4 31
(Foreign) NLX NETHERLANDS 1 5 10 5 7 28
(Foreign) ATX AUSTRIA 1 2 4 7 11 25
(Foreign) AUX AUSTRALIA 6 7 2 5 2 22
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 2 7 5 7 22
(Foreign) ESX SPAIN 2 0 5 4 5 16
(Foreign) FIX FINLAND 4 0 2 5 4 15
(Foreign) RUX RUSSIAN FEDERATION 2 4 4 3 0 13
(Foreign) DKX DENMARK 2 1 3 4 1 11
(Foreign) BEX BELGIUM 0 1 3 4 2 10
(Foreign) SGX SINGAPORE 0 1 0 2 5 8
(Foreign) CNX CHINA P.REP. 1 0 1 2 2 6
(Foreign) NZX NEW ZEALAND 0 0 2 2 2 6
(Foreign) IEX IRELAND 0 0 2 0 2 4
(Foreign) INX INDIA 1 0 1 1 0 3
(Foreign) NOX NORWAY 1 1 0 1 0 3
(Foreign) UAX UKRAINE 0 1 0 2 0 3
(Foreign) ZAX SOUTH AFRICA 0 0 0 1 2 3
(Foreign) BRX BRAZIL 0 0 1 0 1 2
(Foreign) PLX POLAND 1 1 0 0 0 2
(Foreign) THX THAILAND 0 0 0 0 2 2
(Foreign) GRX GREECE 0 0 0 1 0 1
(Foreign) HUX HUNGARY 0 0 0 1 0 1
(Foreign) LUX LUXEMBOURG 0 0 1 0 0 1
(Foreign) MCX MONACO 0 0 1 0 0 1
(Foreign) MXX MEXICO 0 1 0 0 0 1
(Foreign) PFX FR. POLYNESIA 0 0 0 1 0 1
(Foreign) SIX SLOVENIA 0 1 0 0 0 1
(Foreign) UYX URUGUAY 1 0 0 0 0 1
(Foreign) VGX VIRGIN (BRITISH) ISLANDS 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 420 497 582 551 568 2618
(ALL) ALL All Regions, U.S. and Foreign 835 954 1157 1129 1115 5190


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
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