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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

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

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
(U.S.) CA CALIFORNIA 95 103 71 73 55 397
(U.S.) OH OHIO 58 46 60 47 54 265
(U.S.) MI MICHIGAN 42 32 38 43 31 186
(U.S.) NY NEW YORK 41 39 38 25 15 158
(U.S.) WI WISCONSIN 38 33 30 36 20 157
(U.S.) MA MASSACHUSETTS 18 29 27 31 23 128
(U.S.) IL ILLINOIS 19 23 18 17 17 94
(U.S.) TN TENNESSEE 19 18 19 20 18 94
(U.S.) TX TEXAS 32 18 10 11 11 82
(U.S.) NC NORTH CAROLINA 23 15 12 13 12 75
(U.S.) FL FLORIDA 19 14 9 13 14 69
(U.S.) MN MINNESOTA 12 13 13 14 13 65
(U.S.) NH NEW HAMPSHIRE 5 16 8 15 18 62
(U.S.) PA PENNSYLVANIA 16 11 9 14 12 62
(U.S.) AZ ARIZONA 12 10 8 16 8 54
(U.S.) WA WASHINGTON 10 7 14 7 14 52
(U.S.) CT CONNECTICUT 10 13 10 9 6 48
(U.S.) SC SOUTH CAROLINA 12 12 7 6 7 44
(U.S.) IN INDIANA 15 7 8 3 10 43
(U.S.) NJ NEW JERSEY 6 6 14 9 7 42
(U.S.) VA VIRGINIA 5 12 10 7 4 38
(U.S.) ID IDAHO 7 11 5 6 6 35
(U.S.) KY KENTUCKY 5 4 7 12 6 34
(U.S.) NV NEVADA 2 4 11 13 4 34
(U.S.) MO MISSOURI 11 6 2 8 3 30
(U.S.) OR OREGON 3 5 6 6 8 28
(U.S.) CO COLORADO 5 0 6 8 5 24
(U.S.) GA GEORGIA 6 3 2 5 3 19
(U.S.) NM NEW MEXICO 3 6 4 3 3 19
(U.S.) MD MARYLAND 2 4 4 6 2 18
(U.S.) AL ALABAMA 4 5 0 6 1 16
(U.S.) IA IOWA 3 2 3 6 2 16
(U.S.) VT VERMONT 3 2 1 4 6 16
(U.S.) UT UTAH 3 2 2 4 2 13
(U.S.) LA LOUISIANA 3 2 0 3 1 9
(U.S.) MS MISSISSIPPI 2 2 3 1 1 9
(U.S.) OK OKLAHOMA 1 2 0 1 5 9
(U.S.) KS KANSAS 0 2 3 2 1 8
(U.S.) DE DELAWARE 1 1 0 0 4 6
(U.S.) RI RHODE ISLAND 1 1 1 0 3 6
(U.S.) NE NEBRASKA 2 1 0 1 1 5
(U.S.) AR ARKANSAS 0 0 2 2 0 4
(U.S.) ND NORTH DAKOTA 2 0 0 0 1 3
(U.S.) SD SOUTH DAKOTA 0 0 2 1 0 3
(U.S.) DC DISTRICT OF COLUMBIA 0 0 2 0 0 2
(U.S.) HI HAWAII 0 2 0 0 0 2
(U.S.) ME MAINE 2 0 0 0 0 2
(U.S.) MT MONTANA 0 2 0 0 0 2
(U.S.) WV WEST VIRGINIA 0 1 0 0 0 1
(U.S.) WY WYOMING 0 0 0 1 0 1
(U.S.)   -- Subtotal -- 578 547 499 528 437 2589
(Foreign) JPX JAPAN 230 224 219 211 190 1074
(Foreign) DEX GERMANY 94 87 97 83 86 447
(Foreign) KRX SOUTH KOREA 34 54 37 76 91 292
(Foreign) FRX FRANCE 32 28 33 22 17 132
(Foreign) TWX TAIWAN 23 27 24 22 22 118
(Foreign) CAX CANADA 24 27 20 15 17 103
(Foreign) GBX UNITED KINGDOM 24 17 13 24 16 94
(Foreign) ITX ITALY 9 16 20 17 11 73
(Foreign) SEX SWEDEN 11 11 13 11 12 58
(Foreign) CHX SWITZERLAND 8 19 15 10 5 57
(Foreign) ATX AUSTRIA 7 11 5 10 6 39
(Foreign) ILX ISRAEL 6 4 8 4 6 28
(Foreign) NLX NETHERLANDS 5 7 3 7 6 28
(Foreign) HKX CHINA,HONG KONG S.A.R. 5 7 3 6 4 25
(Foreign) BEX BELGIUM 4 2 9 5 4 24
(Foreign) SGX SINGAPORE 2 5 6 5 3 21
(Foreign) CNX CHINA P.REP. 2 2 3 7 5 19
(Foreign) FIX FINLAND 5 4 1 4 1 15
(Foreign) AUX AUSTRALIA 5 2 5 1 0 13
(Foreign) ESX SPAIN 4 5 2 0 2 13
(Foreign) DKX DENMARK 4 1 2 1 1 9
(Foreign) NOX NORWAY 1 0 0 4 3 8
(Foreign) IEX IRELAND 0 2 2 3 0 7
(Foreign) NZX NEW ZEALAND 2 2 0 2 0 6
(Foreign) RUX RUSSIAN FEDERATION 3 0 1 1 1 6
(Foreign) BRX BRAZIL 0 1 1 2 0 4
(Foreign) THX THAILAND 0 2 1 0 1 4
(Foreign) ZAX SOUTH AFRICA 1 2 0 1 0 4
(Foreign) UAX UKRAINE 2 0 0 0 0 2
(Foreign) ARX ARGENTINA 0 0 0 1 0 1
(Foreign) CZX CZECH REPUBLIC 0 0 0 0 1 1
(Foreign) GRX GREECE 1 0 0 0 0 1
(Foreign) HUX HUNGARY 1 0 0 0 0 1
(Foreign) INX INDIA 1 0 0 0 0 1
(Foreign) ISX ICELAND 0 0 0 1 0 1
(Foreign) LUX LUXEMBOURG 0 0 0 0 1 1
(Foreign) MXX MEXICO 0 0 0 1 0 1
(Foreign) PFX FR. POLYNESIA 1 0 0 0 0 1
(Foreign) PHX PHILIPPINES 0 0 0 0 1 1
(Foreign) PTX PORTUGAL 0 0 1 0 0 1
(Foreign) SIX SLOVENIA 0 0 1 0 0 1
(Foreign) VEX VENEZUELA 0 0 1 0 0 1
(Foreign)   -- Subtotal -- 551 569 546 557 513 2736
(ALL) ALL All Regions, U.S. and Foreign 1129 1116 1045 1085 950 5325


PTMB Contacts

Questions regarding these reports should be directed to:

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

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

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


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