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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 454, Ventilation
( 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 )
| (U.S. or Foreign) | Code | State-Territory or Country | 2011 | 2012 | 2013 | 2014 | 2015 | Total |
|---|---|---|---|---|---|---|---|---|
| (U.S.) | MI | MICHIGAN | 12 | 5 | 15 | 9 | 13 | 54 |
| (U.S.) | TX | TEXAS | 5 | 6 | 5 | 5 | 9 | 30 |
| (U.S.) | CA | CALIFORNIA | 4 | 3 | 4 | 10 | 6 | 27 |
| (U.S.) | MA | MASSACHUSETTS | 1 | 5 | 3 | 5 | 4 | 18 |
| (U.S.) | AZ | ARIZONA | 2 | 1 | 4 | 6 | 3 | 16 |
| (U.S.) | WA | WASHINGTON | 1 | 0 | 0 | 4 | 7 | 12 |
| (U.S.) | OH | OHIO | 0 | 1 | 4 | 2 | 5 | 12 |
| (U.S.) | VA | VIRGINIA | 0 | 3 | 3 | 4 | 2 | 12 |
| (U.S.) | IL | ILLINOIS | 0 | 0 | 4 | 2 | 5 | 11 |
| (U.S.) | FL | FLORIDA | 1 | 2 | 1 | 3 | 4 | 11 |
| (U.S.) | NY | NEW YORK | 1 | 2 | 4 | 2 | 1 | 10 |
| (U.S.) | NC | NORTH CAROLINA | 2 | 0 | 2 | 3 | 2 | 9 |
| (U.S.) | KY | KENTUCKY | 1 | 0 | 3 | 1 | 4 | 9 |
| (U.S.) | IN | INDIANA | 2 | 0 | 3 | 0 | 4 | 9 |
| (U.S.) | NJ | NEW JERSEY | 0 | 2 | 1 | 3 | 3 | 9 |
| (U.S.) | OR | OREGON | 0 | 0 | 3 | 1 | 4 | 8 |
| (U.S.) | GA | GEORGIA | 0 | 0 | 1 | 0 | 7 | 8 |
| (U.S.) | PA | PENNSYLVANIA | 2 | 0 | 2 | 1 | 2 | 7 |
| (U.S.) | WI | WISCONSIN | 3 | 1 | 0 | 2 | 1 | 7 |
| (U.S.) | MO | MISSOURI | 1 | 2 | 2 | 2 | 0 | 7 |
| (U.S.) | MN | MINNESOTA | 1 | 2 | 0 | 2 | 1 | 6 |
| (U.S.) | IA | IOWA | 0 | 0 | 1 | 3 | 1 | 5 |
| (U.S.) | OK | OKLAHOMA | 1 | 0 | 0 | 3 | 0 | 4 |
| (U.S.) | TN | TENNESSEE | 1 | 1 | 1 | 0 | 1 | 4 |
| (U.S.) | NV | NEVADA | 0 | 0 | 2 | 0 | 1 | 3 |
| (U.S.) | MD | MARYLAND | 2 | 0 | 1 | 0 | 0 | 3 |
| (U.S.) | CO | COLORADO | 0 | 0 | 2 | 1 | 0 | 3 |
| (U.S.) | CT | CONNECTICUT | 0 | 0 | 2 | 0 | 1 | 3 |
| (U.S.) | NH | NEW HAMPSHIRE | 1 | 1 | 0 | 0 | 0 | 2 |
| (U.S.) | MT | MONTANA | 0 | 1 | 1 | 0 | 0 | 2 |
| (U.S.) | SC | SOUTH CAROLINA | 0 | 0 | 0 | 1 | 1 | 2 |
| (U.S.) | AL | ALABAMA | 0 | 2 | 0 | 0 | 0 | 2 |
| (U.S.) | RI | RHODE ISLAND | 0 | 0 | 1 | 0 | 1 | 2 |
| (U.S.) | KS | KANSAS | 1 | 1 | 0 | 0 | 0 | 2 |
| (U.S.) | MS | MISSISSIPPI | 0 | 1 | 0 | 0 | 0 | 1 |
| (U.S.) | NE | NEBRASKA | 0 | 1 | 0 | 0 | 0 | 1 |
| (U.S.) | VT | VERMONT | 0 | 0 | 0 | 1 | 0 | 1 |
| (U.S.) | DE | DELAWARE | 0 | 0 | 0 | 0 | 1 | 1 |
| (U.S.) | -- Subtotal -- | 45 | 43 | 75 | 76 | 94 | 333 | |
| (Foreign) | JPX | JAPAN | 9 | 9 | 17 | 19 | 21 | 75 |
| (Foreign) | DEX | GERMANY | 8 | 10 | 12 | 14 | 30 | 74 |
| (Foreign) | CAX | CANADA | 4 | 2 | 2 | 4 | 9 | 21 |
| (Foreign) | KRX | KOREA, SOUTH | 3 | 1 | 4 | 6 | 6 | 20 |
| (Foreign) | FRX | FRANCE | 1 | 1 | 3 | 5 | 3 | 13 |
| (Foreign) | GBX | UNITED KINGDOM | 3 | 3 | 0 | 1 | 4 | 11 |
| (Foreign) | TWX | TAIWAN | 0 | 3 | 3 | 3 | 2 | 11 |
| (Foreign) | CNX | CHINA, PEOPLE'S REPUBLIC OF | 0 | 0 | 0 | 4 | 4 | 8 |
| (Foreign) | CHX | SWITZERLAND | 1 | 1 | 3 | 1 | 0 | 6 |
| (Foreign) | ITX | ITALY | 0 | 4 | 1 | 0 | 1 | 6 |
| (Foreign) | AUX | AUSTRALIA | 0 | 1 | 0 | 2 | 0 | 3 |
| (Foreign) | DKX | DENMARK | 0 | 2 | 1 | 0 | 0 | 3 |
| (Foreign) | SEX | SWEDEN | 0 | 1 | 0 | 0 | 2 | 3 |
| (Foreign) | BRX | BRAZIL | 0 | 1 | 1 | 0 | 1 | 3 |
| (Foreign) | FIX | FINLAND | 0 | 0 | 2 | 1 | 0 | 3 |
| (Foreign) | NLX | NETHERLANDS | 0 | 0 | 1 | 0 | 1 | 2 |
| (Foreign) | IRX | IRAN | 0 | 0 | 0 | 0 | 1 | 1 |
| (Foreign) | ATX | AUSTRIA | 0 | 0 | 0 | 0 | 1 | 1 |
| (Foreign) | ZAX | SOUTH AFRICA | 1 | 0 | 0 | 0 | 0 | 1 |
| (Foreign) | ESX | SPAIN | 0 | 1 | 0 | 0 | 0 | 1 |
| (Foreign) | LUX | LUXEMBOURG | 0 | 1 | 0 | 0 | 0 | 1 |
| (Foreign) | CZX | CZECH REPUBLIC | 0 | 0 | 1 | 0 | 0 | 1 |
| (Foreign) | BEX | BELGIUM | 0 | 0 | 0 | 0 | 1 | 1 |
| (Foreign) | THX | THAILAND | 1 | 0 | 0 | 0 | 0 | 1 |
| (Foreign) | -- Subtotal -- | 31 | 41 | 51 | 60 | 87 | 270 | |
| (ALL) | ALL | All Regions, U.S. and Foreign | 76 | 84 | 126 | 136 | 181 | 603 |
Questions regarding these reports should be directed to:
U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.govaddress of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/reports.htm
selected PTMT materials available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/
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