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


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

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2008 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 404, Road Structure, Process, or Apparatus

( 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 Total
~INDIVIDUALLY OWNED PATENT 35 33 59 33 15 51 49 34 33 43 21 31 36 46 24 27 28 45 65 43 72 70 79 52 72 57 60 50 51 46 57 63 49 66 56 71 41 83 54 46 1946
ALLEN ENGINEERING CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 1 3 5 1 1 0 0 1 1 3 1 5 2 2 5 6 0 0 1 0 1 2 0 1 46
ACME HIGHWAY PRODUCTS CORP. 3 3 6 3 1 1 5 1 1 1 2 0 0 4 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 32
CATERPILLAR INC. 0 0 2 2 0 2 1 1 0 1 0 0 1 2 1 0 0 0 0 0 0 0 0 0 2 1 0 0 1 0 2 3 1 0 1 3 1 0 1 3 32
CMI CORPORATION 0 3 2 0 2 0 2 2 0 1 2 2 1 1 0 0 0 0 2 1 0 0 3 0 0 1 2 2 0 1 0 1 1 0 0 0 0 0 0 0 32
CATERPILLAR PAVING PRODUCTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 2 2 3 0 0 3 1 1 1 3 1 2 1 4 2 31
ENERGY ABSORPTION SYSTEMS, INC. 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 0 2 1 2 2 0 1 1 2 0 3 3 0 2 1 1 1 27
D. S. BROWN COMPANY 3 1 2 1 5 0 2 0 3 1 0 0 1 0 0 1 0 0 0 0 0 2 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 25
MINNESOTA MINING AND MANUFACTURING COMPANY 0 1 0 1 0 1 1 0 1 1 0 0 0 0 0 0 2 1 0 0 1 1 3 1 0 1 3 0 3 2 1 0 0 0 0 0 0 0 0 0 25
BLAW-KNOX CONSTRUCTION EQUIPMENT CORPORATION 0 0 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 1 0 1 1 4 1 1 2 4 0 0 1 0 24
M-B-W., INC. 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 3 1 3 1 2 1 2 2 0 0 0 0 0 0 0 0 1 0 2 2 0 23
INGERSOLL-RAND COMPANY 0 0 2 0 1 0 0 0 0 0 1 0 1 1 0 0 0 1 0 1 0 0 0 1 1 0 0 6 0 1 0 1 0 1 1 1 0 0 1 0 22
WACKER CORPORATION 0 0 0 0 0 2 0 0 0 0 0 0 1 1 0 0 0 2 1 0 0 0 0 1 0 0 0 0 0 0 3 0 1 3 0 0 3 2 1 1 22
TRAFFIX DEVICES, INC. 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 2 1 1 1 4 3 2 1 0 2 0 20
BARBER-GREENE CO. 0 2 0 3 1 2 2 0 1 0 0 0 0 0 0 0 0 0 1 0 2 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
WACKER-WERKE KG 0 1 1 0 0 1 1 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 3 0 3 3 0 0 0 0 0 0 19
CEDARAPIDS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 2 1 1 2 0 2 3 0 1 0 0 0 0 1 1 17
ASTEC INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 2 3 2 1 2 0 2 0 0 0 0 0 0 0 16
TEXAS A AND M UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 3 2 2 0 1 0 2 1 1 0 0 0 1 0 0 16
BARRIER SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 2 0 1 0 0 0 0 0 0 5 2 0 0 0 0 2 15
REXNORD INC. 2 5 1 3 1 0 1 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 15
AMERACE CORPORATION 1 0 1 0 0 2 0 0 0 0 3 3 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
GUNTERT & ZIMMERMAN CONSTRUCTION DIV., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 3 0 1 1 1 2 1 0 0 0 1 2 14
PAC-TEC, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 2 1 0 1 0 1 0 0 1 1 1 1 1 0 0 1 0 0 14
WIRTGEN 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 1 0 0 3 2 0 2 3 1 2 14
DELAWARE CAPITAL FORMATION, 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 3 2 1 3 1 3 0 0 0 13
FELT PRODUCTS MFG. CO 0 0 0 0 1 3 3 1 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 13
ILLINOIS TOOL WORKS 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 1 0 0 0 0 0 0 4 6 0 0 0 11
SOMERO ENTERPRISES, 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 0 0 0 0 0 0 0 0 0 0 0 3 3 4 11
UNITED STATES OF AMERICA, ARMY 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 3 0 0 0 0 0 0 0 0 1 0 0 3 1 11
ABG-WERKE G.M.B.H. 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 3 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 10
COLAS S.A. 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 3 0 0 0 1 1 0 0 1 0 0 0 0 0 1 10
PHILLIPS PETROLEUM COMPANY 0 1 3 0 0 0 2 1 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 10
POWER CURBERS, INC. 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 2 0 1 0 1 10
WACKER CONSTRUCTION EQUIPMENT 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 0 2 4 3 0 1 0 10
ACO SEVERIN AHLMANN GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 2 1 1 9
CARON COMPACTOR CO. 0 0 1 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 9
JOSEPH VOGELE AG 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 2 2 0 0 0 0 0 0 0 1 0 9
LOSENHAUSEN MASCHINENBAU AG 1 1 0 1 2 1 0 0 0 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 9
SAKAI HEAVY INDUSTRIES LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 2 0 1 1 0 0 0 9
ABG ALLGEMEINE BAUMASCHINEN-GESELLSCHAFT MBH 0 0 0 0 0 0 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 4 1 1 0 1 0 0 0 8
F. VON LANGSDORFF LICENSING LIMITED 0 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 0 0 0 1 1 0 1 0 0 0 1 0 2 0 8
KOEHRING CORPORATION 0 0 0 0 0 2 1 0 0 1 0 0 0 1 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 8
KOEHRING GMBH-BOMAG DIVISION 0 0 0 0 0 0 3 2 1 1 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 8
STIMSONITE CORPORATION 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 2 2 0 1 0 0 1 0 0 0 0 0 0 0 0 8
AUTOSTRADE - CONSESSIONI E COSTRUZIONI AUTOSTRADE S.P.A. 0 0 0 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 2 1 0 0 0 1 1 0 1 0 0 0 7
BOMAG GMBH & CO. OHG 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 0 1 1 0 0 0 0 2 0 0 1 0 0 7
CARSONITE INTERNATIONAL CORPORATION, A DIVISION OF AMETEK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 7
CUTLER REPAVING INC. 0 0 0 0 0 2 0 0 2 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
GENCORP INC. 1 0 0 0 1 1 1 0 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 7
GOMACO CORPORATION 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 7
HYSTER COMPANY 2 1 0 0 0 0 2 0 0 0 0 0 0 1 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 7
MILLER FORMLESS CO., INC. 0 0 1 0 2 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 7
TAISEI ROAD CONSTRUCTION CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
TRANSTECH SYSTEMS, 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 4 0 0 0 2 1 0 0 7
UNITED STATES OF AMERICA, NAVY 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 7
3M INNOVATIVE PROPERTIES 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 1 1 1 1 2 0 0 0 0 0 6
AVERY DENNISON 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 0 0 0 1 0 2 0 3 0 0 0 6
DOW CHEMICAL COMPANY 1 1 0 0 1 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 0 0 6
DYNAPAC MASKIN AKTIEBOLAG 0 0 0 0 0 0 1 0 0 0 2 2 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 6
EDOCO TECHNICAL PRODUCTS, INC. 2 0 1 2 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 6
FORT MILLER CO., 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 2 1 2 1 0 0 6
PRECISION COVER SYSTEMS, 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 1 2 2 1 0 0 0 6
RAYGO INC. 0 1 0 1 0 1 1 1 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 0 0 6
ROBERT MCGREGOR SONS LIMITED 0 1 1 1 1 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 0 6
STONE CONSTRUCTION EQUIPMENT, INC. 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 6
UNIVERSAL SAFETY RESPONSE, 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 0 0 0 0 0 1 0 2 2 6
VON ROLL AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
WATSON-BOWMAN ASSOCIATES, INC. 0 0 0 0 2 1 1 0 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 6
ATLANTIC RICHFIELD COMPANY 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 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 5
BITELLI SPA 0 0 0 0 0 0 0 0 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 1 0 0 1 0 5
DRION CONSTRUCTIE B.V.B.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 0 0 0 2 0 1 0 1 1 0 5
ENGINEERED ARRESTING SYSTEMS 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 0 0 0 0 0 0 2 1 0 1 1 5
ENTREPRISE JEAN LEFEBVRE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 5
EXODYNE 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 0 1 0 1 0 0 1 2 0 5
FIRMA FRIEDRICH MAURER SOEHNE 0 0 2 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 5
FLEXSTAKE, 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 2 0 1 0 0 1 0 0 0 0 0 0 0 0 5
KOBER AG 0 0 0 0 0 0 1 0 0 1 0 1 0 1 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 5
KONINKLIJKE PHILIPS ELECTRONICS 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 4 1 0 5
MANHOLE ADJUSTING CONTRACTORS 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 2 1 1 0 0 0 0 0 0 0 0 0 1 0 0 5
NIIGATA ENGINEERING CO., LTD. 0 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 1 1 0 0 0 1 1 0 0 0 0 0 0 0 5
OWENS-CORNING FIBERGLAS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 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 5
PLASTIC SAFETY SYSTEMS, 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 0 0 0 0 0 0 0 0 2 0 1 0 0 5
RAYMOND LEE ORGANIZATION 0 0 0 0 0 1 2 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 5
RENNER COMPANY 1 0 0 0 2 0 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 5
SHAW & SONS 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 0 0 5 5
SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION 0 0 0 1 0 1 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 5
W. R. GRACE & CO.-CONN. 0 2 1 1 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 5
WHITE CONSOLIDATED INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 0 0 1 0 0 0 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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


Top

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