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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

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

Count of 2010 - 2014 Utility Patent Grants,
As Distributed 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 418, Rotary Expansible Chamber Devices

( technology class is determined by the primary classification assigned to a 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 2010 2011 2012 2013 2014 Total
(U.S.) OH OHIO 4 19 6 8 10 47
(U.S.) NY NEW YORK 7 11 10 2 4 34
(U.S.) MI MICHIGAN 4 10 6 4 5 29
(U.S.) IL ILLINOIS 2 0 8 4 6 20
(U.S.) TX TEXAS 4 1 4 0 7 16
(U.S.) CA CALIFORNIA 1 2 3 1 3 10
(U.S.) AR ARKANSAS 2 2 3 1 1 9
(U.S.) CT CONNECTICUT 0 3 3 1 1 8
(U.S.) GA GEORGIA 0 0 4 3 1 8
(U.S.) AZ ARIZONA 0 0 0 4 2 6
(U.S.) KY KENTUCKY 1 0 2 0 2 5
(U.S.) MN MINNESOTA 1 0 3 0 1 5
(U.S.) WI WISCONSIN 1 1 0 3 0 5
(U.S.) MA MASSACHUSETTS 0 1 1 0 2 4
(U.S.) PA PENNSYLVANIA 1 0 1 1 1 4
(U.S.) CO COLORADO 0 1 0 1 1 3
(U.S.) FL FLORIDA 2 0 1 0 0 3
(U.S.) OK OKLAHOMA 0 0 1 2 0 3
(U.S.) WA WASHINGTON 0 1 1 1 0 3
(U.S.) IA IOWA 1 0 0 0 1 2
(U.S.) MD MARYLAND 0 0 2 0 0 2
(U.S.) MO MISSOURI 0 0 0 0 2 2
(U.S.) TN TENNESSEE 0 1 0 1 0 2
(U.S.) ID IDAHO 0 0 0 0 1 1
(U.S.) KS KANSAS 1 0 0 0 0 1
(U.S.) OR OREGON 0 0 0 0 1 1
(U.S.) VA VIRGINIA 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 32 54 59 37 52 234
 
(Foreign) JPX JAPAN 53 37 63 69 61 283
(Foreign) DEX GERMANY 15 15 9 13 18 70
(Foreign) KRX KOREA, SOUTH 17 9 8 14 14 62
(Foreign) CAX CANADA 6 7 4 8 3 28
(Foreign) GBX UNITED KINGDOM 3 4 1 4 10 22
(Foreign) FRX FRANCE 4 2 1 4 4 15
(Foreign) ITX ITALY 0 2 5 5 3 15
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 3 4 0 3 3 13
(Foreign) DKX DENMARK 1 2 4 1 1 9
(Foreign) TWX TAIWAN 2 0 0 1 4 7
(Foreign) AUX AUSTRALIA 1 1 0 1 2 5
(Foreign) NOX NORWAY 1 0 0 4 0 5
(Foreign) RUX RUSSIAN FEDERATION 0 1 4 0 0 5
(Foreign) SGX SINGAPORE 1 1 1 0 2 5
(Foreign) BEX BELGIUM 2 0 1 0 1 4
(Foreign) CHX SWITZERLAND 0 1 0 2 0 3
(Foreign) ATX AUSTRIA 0 0 0 2 0 2
(Foreign) CZX CZECH REPUBLIC 1 0 0 0 1 2
(Foreign) SEX SWEDEN 1 0 1 0 0 2
(Foreign) ARX ARGENTINA 0 0 0 0 1 1
(Foreign) BRX BRAZIL 0 0 0 1 0 1
(Foreign) ESX SPAIN 0 1 0 0 0 1
(Foreign) FIX FINLAND 0 0 1 0 0 1
(Foreign) HKX CHINA, HONG KONG S.A.R. 0 0 0 0 1 1
(Foreign) HRX CROATIA 0 1 0 0 0 1
(Foreign) ILX ISRAEL 1 0 0 0 0 1
(Foreign) INX INDIA 0 0 1 0 0 1
(Foreign) KWX KUWAIT 0 0 0 0 1 1
(Foreign) NLX NETHERLANDS 1 0 0 0 0 1
(Foreign) NZX NEW ZEALAND 0 0 0 0 1 1
(Foreign) PTX PORTUGAL 0 0 1 0 0 1
(Foreign) TRX TURKEY 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 113 88 105 133 131 570
 
(ALL) ALL All Regions, U.S. and Foreign 145 142 164 170 183 804



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