Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


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

EXTENDED YEAR SET - Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2013 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 037, Excavating

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Total
~INDIVIDUALLY OWNED PATENT 83 33 41 25 41 44 37 33 38 37 29 31 37 40 29 30 26 32 31 28 43 36 36 43 38 23 31 47 29 36 43 49 40 48 33 34 30 22 17 12 34 48 29 32 25 1583
CATERPILLAR INC. 13 4 9 9 11 11 12 18 19 16 5 7 3 4 0 0 1 3 0 1 2 2 1 3 4 0 12 6 3 6 9 5 6 8 4 2 5 1 3 1 4 8 8 6 1 256
ESCO CORPORATION 0 1 1 2 0 1 1 0 1 0 0 2 2 3 1 3 1 2 3 5 1 2 6 3 1 1 1 0 2 1 3 0 0 1 2 3 0 4 5 2 4 9 6 5 3 94
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 2 6 7 4 3 5 4 0 3 6 3 0 0 48
DEERE + COMPANY 1 1 2 0 0 0 0 0 2 0 0 0 0 1 2 3 0 0 0 0 1 1 1 0 0 0 0 0 1 0 0 0 0 1 3 3 1 2 1 0 2 4 1 1 1 36
CASE CORPORATION 0 0 0 0 0 0 1 1 0 1 0 2 3 5 8 1 0 0 0 5 2 0 0 0 3 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 35
GH HENSLEY INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 1 1 1 3 1 1 0 2 3 2 2 1 1 3 1 2 1 0 2 1 0 0 1 34
KOMATSU LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 1 1 3 2 4 5 3 0 4 0 1 2 0 0 2 33
VERMEER MANUFACTURING COMPANY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 1 2 0 2 1 2 0 6 2 2 1 2 2 1 2 1 2 33
FRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIE GMBH 0 0 0 0 1 0 0 0 0 0 0 1 2 1 0 0 0 0 1 0 1 0 3 4 1 1 2 3 1 0 3 1 0 0 3 1 1 0 0 0 0 1 0 0 0 32
CLARK EQUIPMENT COMPANY, INC. 1 2 0 0 3 1 2 3 2 0 1 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 3 3 0 0 1 1 1 0 0 0 0 1 1 0 0 29
HITACHI CONSTRUCTION MACHINERY CO., LTD. 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 3 4 1 1 2 1 3 4 0 0 1 3 0 0 0 1 29
SNO-WAY INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 2 0 0 1 3 2 1 2 0 1 5 5 1 2 29
WESTINGHOUSE AIR BRAKE COMPANY 1 2 1 2 1 3 3 9 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25
HARNISCHFEGER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 2 0 7 2 7 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
TORO COMPANY 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 1 0 1 1 1 1 0 0 0 0 0 0 2 0 1 0 1 1 2 2 2 1 1 0 23
DOUGLAS DYNAMICS, INC. 0 0 0 0 0 0 0 0 2 0 0 0 2 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 2 0 2 1 0 1 1 3 1 0 1 0 1 0 0 1 21
GENERAL MOTORS CORPORATION 6 1 3 4 0 0 2 3 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
AGRI-COVER, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3 12 2 0 0 18
LOUIS BERKMAN COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 1 0 1 0 0 0 0 0 3 2 1 3 0 0 2 0 0 0 0 0 0 0 17
UNIT RIG + EQUIPMENT CO. 0 0 0 0 0 0 0 5 3 1 4 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
BAUER MASCHINEN GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 5 4 3 1 0 0 16
KABUSHIKI KAISHA KOMATSU SEISAKUSHO 0 0 0 0 0 0 1 0 0 1 0 0 1 0 2 1 2 0 1 0 3 0 0 1 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
NAVISTAR INTERNATIONAL TRANSPORTATION CORP. 4 0 2 2 1 0 0 3 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
H & L TOOTH COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 3 0 2 1 1 0 0 0 1 0 1 0 2 0 0 1 15
HARNISCHFEGER TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 2 0 0 1 1 0 1 0 0 1 1 2 14
KUBOTA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 3 1 3 0 1 2 1 0 0 0 14
ROCKLAND, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 4 1 2 1 1 1 0 0 0 0 0 0 0 14
ALLIS-CHALMERS CORPORATION 3 4 0 1 1 0 0 0 0 0 3 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
IHC HOLLAND-LE TOURNEAU MARINE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 4 4 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 0 2 0 3 2 1 0 0 0 1 0 0 0 0 0 0 0 13
DEEPSEA VENTURES, INC. 0 0 0 0 0 0 0 0 0 0 2 2 1 4 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
KOBELCO CONSTRUCTION MACHINERY CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 1 2 2 1 0 1 0 0 0 0 12
N.V. INDUSTRIEELE HANDELSCOMBINATIE HOLLAND 0 0 1 1 3 3 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
SHIN CATERPILLAR MITSUBISHI LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 2 1 2 1 1 1 0 0 0 0 0 0 0 12
BALLAST-NEDAM GROEP N.V. 0 0 0 0 0 1 0 0 1 5 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
CNH AMERICA LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 1 0 1 1 0 0 0 11
CURTIS INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 3 2 0 1 0 0 0 0 0 0 0 0 11
MEYER PRODUCTS INC. 3 0 0 2 0 1 0 0 0 0 0 2 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
METALOGENIA, S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2 2 0 0 0 0 1 1 1 1 10
ABEX CORPORATION 1 0 0 1 1 1 0 0 0 0 0 0 1 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
BLIZZARD CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 4 1 0 0 0 0 0 0 0 0 0 0 9
CIVES CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 2 0 0 9
ELLICOTT MACHINE CORPORATION INTERNATIONAL 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 9
O & K ORENSTEIN & KOPPEL AG 0 0 1 1 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
TRN BUSINESS TRUST 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 2 0 2 0 0 0 0 0 0 0 9
BECOR WESTERN, INC. 1 2 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
INGENIEURSBUREAU VOOR SYSTEMEM EN OCTROOIEN "SPANSTAAL" 0 0 5 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
MONROE TRUCK EQUIPMENT, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 2 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 8
CHARLES MACHINE WORKS, INC. 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 7
ING. ALFRED SCHMIDT GMBH 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
LOGAN MANUFACTURING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
O & K ORENSTEIN & KOPPEL AKTIENGESELLSCHAFT WERK LUBECK 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
PENGO CORPORATION 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 7
SAMSUNG HEAVY INDUSTRIES, CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SOCIETE ANONYME POCLAIN LE PLESSIS-BELLEVILLE OISE 1 0 0 0 0 0 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
YANMAR CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 0 0 0 2 1 0 0 7
ARIENS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 1 1 1 0 0 0 0 6
BLACK CAT BLADES LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 6
CANRON, INC. 0 0 0 0 0 0 1 2 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
COMPAGNIE DU SOL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 0 1 1 0 0 6
DREDGING INTERNATIONAL N.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 1 6
EAGLE-PICHER INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
GILSON BROTHERS COMPANY 0 0 0 0 2 0 0 0 0 2 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
JRB COMPANY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 1 0 0 0 0 0 0 0 0 6
KASSBOHRER GELANDEFAHRZEUG AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 1 0 0 1 1 6
LOUIS BERKMAN WINTER PRODUCTS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 1 0 0 6
BARBER-GREENE CO. 1 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CMI CORPORATION 0 0 0 0 1 0 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
COMMISSARIAT A L'ENERGIE ATOMIQUE 0 0 0 0 0 0 0 0 0 0 0 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
DRESSER INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
FRINK AMERICA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
FRINK SNO-PLOWS, INC. 1 0 1 0 0 0 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
J.C. BAMFORD EXCAVATORS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 5
KARL KASSBOHRER FAHREZEUGWERKE GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
KERSHAW MANUFACTURING COMPANY, IND. 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
LIEBHERR-HYDRAULIKBAGGER GMBH 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 1 5
M. J. ELECTRIC, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 5
R. A. HANSON COMPANY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
ROLIC INVEST SARL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 5
TENCO MACHINERY LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
WAIN-ROY HOLDING, INC. 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5



PTMT Contacts

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 22313-1450

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports