~Individually Owned Patent |
211 |
273 |
295 |
297 |
275 |
1351 |
KIMBERLY-CLARK WORLDWIDE, INC. |
48 |
84 |
93 |
124 |
133 |
482 |
WISCONSIN ALUMNI RESEARCH FOUNDATION |
55 |
80 |
83 |
59 |
67 |
344 |
GENERAL ELECTRIC COMPANY |
36 |
41 |
53 |
83 |
127 |
340 |
BRUNSWICK CORPORATION |
11 |
29 |
33 |
30 |
26 |
129 |
S. C. JOHNSON + SON, INC. |
13 |
23 |
39 |
14 |
10 |
99 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
48 |
31 |
13 |
5 |
0 |
97 |
FORT JAMES CORPORATION |
0 |
4 |
16 |
30 |
38 |
88 |
EATON CORPORATION |
9 |
17 |
19 |
22 |
19 |
86 |
ILLINOIS TOOL WORKS INC. |
4 |
8 |
10 |
29 |
28 |
79 |
DEERE + COMPANY |
13 |
14 |
11 |
14 |
15 |
67 |
REYNOLDS CONSUMER PRODUCTS, INC. |
12 |
14 |
13 |
9 |
16 |
64 |
3M INNOVATIVE PROPERTIES COMPANY |
0 |
0 |
12 |
26 |
25 |
63 |
KIMBERLY-CLARK CORPORATION |
46 |
5 |
2 |
3 |
5 |
61 |
PROMEGA CORPORATION |
12 |
13 |
8 |
7 |
19 |
59 |
SNAP-ON TECHNOLOGIES, INC. |
17 |
13 |
11 |
2 |
15 |
58 |
KOHLER CO. |
12 |
12 |
14 |
5 |
13 |
56 |
CRAY RESEARCH, INC. |
14 |
22 |
8 |
10 |
1 |
55 |
MARQUIP INC. |
11 |
10 |
14 |
15 |
2 |
52 |
W. L. GORE & ASSSOCIATES, INC. |
2 |
13 |
21 |
13 |
3 |
52 |
JOHNSON CONTROLS TECHNOLOGY COMPANY |
0 |
3 |
11 |
18 |
19 |
51 |
VOITH SULZER PAPER TECHNOLOGY NORTH AMERICA, INC. |
3 |
9 |
12 |
9 |
17 |
50 |
RAY-O-VAC CORPORATION |
16 |
13 |
8 |
6 |
6 |
49 |
HARLEY-DAVIDSON MOTOR CO., INC. |
6 |
8 |
7 |
8 |
18 |
47 |
BRIGGS + STRATTON CORPORATION |
9 |
10 |
3 |
12 |
11 |
45 |
ALLEN BRADLEY COMPANY, LLC |
0 |
13 |
22 |
9 |
0 |
44 |
AMERICAN STANDARD, INC. |
5 |
7 |
9 |
14 |
7 |
42 |
KRAFT FOODS, INC. |
12 |
6 |
10 |
10 |
4 |
42 |
OUTBOARD MARINE CORPORATION |
6 |
12 |
9 |
8 |
7 |
42 |
BELOIT TECHNOLOGIES, INC. |
8 |
9 |
15 |
6 |
3 |
41 |
ALLEN-BRADLEY COMPANY |
28 |
10 |
1 |
0 |
0 |
39 |
APTARGROUP, INC. |
4 |
10 |
12 |
7 |
2 |
35 |
COOPER INDUSTRIES INC. |
4 |
11 |
8 |
4 |
4 |
31 |
MILWAUKEE ELECTRIC TOOL CORPORATION |
4 |
6 |
8 |
3 |
10 |
31 |
ARMAMENT SYSTEMS & PROCEDURES, INC. |
8 |
6 |
5 |
5 |
6 |
30 |
APPLIED POWER INC. |
6 |
6 |
7 |
6 |
4 |
29 |
OHMEDA INC. |
12 |
9 |
6 |
2 |
0 |
29 |
PAPER CONVERTING MACHINE COMPANY |
2 |
7 |
4 |
7 |
9 |
29 |
ROCKWELL TECHNOLOGIES, LLC |
0 |
0 |
0 |
8 |
21 |
29 |
QUAD/TECH, INC. |
3 |
6 |
6 |
6 |
7 |
28 |
NEWELL OPERATING COMPANY |
4 |
3 |
8 |
5 |
7 |
27 |
HUFFY CORPORATION |
2 |
6 |
10 |
3 |
3 |
24 |
MODINE MANUFACTURING INC. |
3 |
7 |
6 |
5 |
3 |
24 |
NELSON INDUSTRIES, INC. |
0 |
2 |
7 |
5 |
10 |
24 |
REXNORD CORPORATION |
7 |
1 |
4 |
6 |
6 |
24 |
S. C. JOHNSON COMMERCIAL MARKETS, INC. |
1 |
1 |
6 |
8 |
8 |
24 |
HARNISCHFEGER CORPORATION |
15 |
6 |
1 |
1 |
0 |
23 |
TEXTRON INC. |
1 |
3 |
4 |
11 |
4 |
23 |
BONE CARE INTERNATIONAL, INC. |
3 |
9 |
2 |
6 |
2 |
22 |
SSI TECHNOLOGIES, INC. |
2 |
10 |
4 |
2 |
3 |
21 |
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC |
0 |
0 |
0 |
0 |
20 |
20 |
IMATION CORP. |
3 |
2 |
5 |
7 |
3 |
20 |
LUNAR CORPORATION |
3 |
5 |
1 |
6 |
5 |
20 |
RITE-HITE HOLDING CORPORATION |
0 |
0 |
3 |
9 |
8 |
20 |
SNAP-ON TOOLS CORPORATION |
0 |
0 |
7 |
8 |
5 |
20 |
BOMBARDIER MOTOR CORPORATION OF AMERICA |
0 |
0 |
0 |
0 |
19 |
19 |
KELLEY COMPANY, INC. |
1 |
3 |
3 |
6 |
6 |
19 |
ABBOTT LABORATORIES |
1 |
3 |
7 |
2 |
5 |
18 |
JOHNSON, SERVICE COMPANY |
4 |
8 |
5 |
1 |
0 |
18 |
KRUEGER INTERNATIONAL, INC. |
2 |
2 |
4 |
5 |
5 |
18 |
HUSCO INTERNATIONAL, INC. |
1 |
2 |
6 |
4 |
4 |
17 |
JAMES RIVER CORPORATION OF VIRGINIA |
9 |
5 |
3 |
0 |
0 |
17 |
THIRD WAVE TECHNOLOGIES, INC. |
2 |
6 |
4 |
2 |
3 |
17 |
BEERE PRECISION MEDICAL INSTRUMENTS, INC. |
2 |
4 |
4 |
4 |
2 |
16 |
BEMIS MANUFACTURING COMPANY, INC. |
6 |
2 |
5 |
1 |
2 |
16 |
HARNISCHFEGER TECHNOLOGIES, INC. |
0 |
1 |
3 |
3 |
9 |
16 |
MILLER BREWING COMPANY |
4 |
3 |
5 |
2 |
2 |
16 |
PENDA CORPORATION |
3 |
4 |
5 |
4 |
0 |
16 |
CASE CORPORATION |
3 |
1 |
2 |
5 |
4 |
15 |
CONSOLIDATED PAPERS INC. |
5 |
1 |
3 |
4 |
2 |
15 |
EARTH TOOL COMPANY, L.L.C. |
3 |
1 |
0 |
1 |
10 |
15 |
AMERICAN NATIONAL CAN COMPANY |
3 |
2 |
2 |
6 |
1 |
14 |
ANDERSEN CORPORATION |
2 |
4 |
2 |
5 |
1 |
14 |
APPLETON PAPERS, INC. |
3 |
1 |
5 |
2 |
3 |
14 |
BADGER METER, INC. |
0 |
8 |
2 |
3 |
1 |
14 |
DIGISONIX, INC. |
8 |
3 |
1 |
1 |
1 |
14 |
JOHNSON WORLDWIDE ASSOCIATES, INC. |
2 |
3 |
7 |
2 |
0 |
14 |
MOTOROLA, INC. |
4 |
2 |
1 |
4 |
3 |
14 |
OPHIDIAN PHARMACEUTICALS, INC. |
3 |
4 |
4 |
1 |
2 |
14 |
TECUMSEH PRODUCTS COMPANY |
1 |
2 |
4 |
2 |
5 |
14 |
THE BLOOD CENTER RESEARCH FOUNDATION, INC. |
4 |
2 |
4 |
1 |
3 |
14 |
THOMAS INDUSTRIES, INC. |
2 |
1 |
2 |
4 |
5 |
14 |
CLARION PHARMACEUTICALS, INC. |
4 |
6 |
1 |
1 |
1 |
13 |
DEC INTERNATIONAL INC. |
3 |
2 |
3 |
5 |
0 |
13 |
STRATTEC SECURITY CORPORATION |
4 |
4 |
0 |
4 |
1 |
13 |
MEGTEC SYSTEMS, INC. |
0 |
2 |
2 |
3 |
5 |
12 |
ABB FLEXIBLE AUTOMATION INC. |
0 |
4 |
1 |
3 |
4 |
12 |
AMERICAN STANDARD INTERNATIONAL INC. |
0 |
0 |
0 |
0 |
12 |
12 |
C. G. BRETTING MANUFACTURING CO., INC. |
1 |
3 |
2 |
2 |
4 |
12 |
CARDINAL IG COMPANY |
1 |
2 |
1 |
5 |
3 |
12 |
CMD CORPORATION |
2 |
1 |
7 |
1 |
1 |
12 |
FISKARS INC. |
3 |
4 |
2 |
3 |
0 |
12 |
PHARMACIA BIOTECH, INC. |
6 |
4 |
2 |
0 |
0 |
12 |
PIONEER HI-BRED INTERNATIONAL, INC. |
4 |
5 |
2 |
0 |
1 |
12 |
RELIANCE CONTROLS CORP. |
0 |
0 |
2 |
7 |
3 |
12 |
TREK BICYCLE CORPORATION |
3 |
2 |
2 |
4 |
1 |
12 |
UNITED STATES OF AMERICA, DEPARTMENT OF AGRICULTURE |
2 |
5 |
0 |
2 |
3 |
12 |
ECOLAB INC. |
3 |
2 |
1 |
3 |
2 |
11 |
ELECTRIC POWER RESEARCH INSTITUTE, INC. |
4 |
4 |
3 |
0 |
0 |
11 |
EVERBRITE, INC. |
1 |
2 |
7 |
1 |
0 |
11 |
GEHL COMPANY |
2 |
1 |
2 |
5 |
1 |
11 |
MICRON ELECTRONICS, INC. |
0 |
1 |
7 |
2 |
1 |
11 |
MONSANTO COMPANY, INC. |
1 |
0 |
4 |
4 |
2 |
11 |
QUAD/GRAPHICS INC. |
1 |
1 |
0 |
4 |
5 |
11 |
SPRINGS WINDOW FASHIONS DIVISION, INC. |
3 |
0 |
4 |
0 |
4 |
11 |
DORNER MFG. CORP. |
0 |
1 |
2 |
1 |
6 |
10 |
J & L FIBER SERVICES, INC. |
0 |
1 |
5 |
2 |
2 |
10 |
MANITOWOC CRANE GROUP, INC. |
1 |
1 |
1 |
4 |
3 |
10 |
MILSCO MANUFACTURING COMPANY |
2 |
3 |
4 |
1 |
0 |
10 |
MYCOGEN PLANT SCIENCES, INC. |
4 |
2 |
0 |
2 |
2 |
10 |
NORDBERG, INC. |
1 |
8 |
0 |
1 |
0 |
10 |
THE MCW RESEARCH FOUNDATION, INC. |
2 |
3 |
1 |
1 |
3 |
10 |
ULTRATEC, INC. |
1 |
2 |
3 |
2 |
2 |
10 |
VERSA TECHNOLOGIES, INC. |
3 |
3 |
4 |
0 |
0 |
10 |
ASGROW SEED COMPANY |
1 |
2 |
1 |
2 |
3 |
9 |
ATO FINDLEY, INC. |
0 |
0 |
3 |
5 |
1 |
9 |
DCI MARKETING |
1 |
2 |
3 |
0 |
3 |
9 |
GAS RESEARCH INSTITUTE |
1 |
6 |
2 |
0 |
0 |
9 |
HOFFMAN ENVIRONMENTAL SYSTEMS, INC. |
2 |
2 |
1 |
2 |
2 |
9 |
MASTER LOCK COMPANY |
2 |
5 |
0 |
1 |
1 |
9 |
MENASHA CORPORATION |
0 |
1 |
4 |
1 |
3 |
9 |
NATIONAL PRESTO INDUSTRIES, INC. |
3 |
1 |
3 |
1 |
1 |
9 |
PARAGON ELECTRIC CO., INC. |
4 |
2 |
2 |
1 |
0 |
9 |
PHILLIPS PLASTICS CORP. |
2 |
0 |
4 |
0 |
3 |
9 |
TRU FIRE CORPORATION |
3 |
2 |
1 |
2 |
1 |
9 |
TYTON-HELLERMANN CORP. |
0 |
4 |
5 |
0 |
0 |
9 |
WACKER CORPORATION |
0 |
1 |
4 |
2 |
2 |
9 |
WHITE CONSOLIDATED INDUSTRIES, INC. |
1 |
1 |
0 |
3 |
4 |
9 |
ZBB TECHNOLOGIES, INC. |
7 |
0 |
0 |
0 |
2 |
9 |
AOS HOLDING COMPANY |
0 |
1 |
1 |
1 |
5 |
8 |
DATEX-OHMEDA, INC. |
0 |
0 |
0 |
7 |
1 |
8 |
DRESSER INDUSTRIES, INC. |
3 |
1 |
2 |
2 |
0 |
8 |
GLOBE-UNION INC. |
6 |
2 |
0 |
0 |
0 |
8 |
HARKEN, INC. |
0 |
1 |
1 |
1 |
5 |
8 |
HAYES BRAKE, INC. |
0 |
1 |
3 |
3 |
1 |
8 |
OSHKOSH TRUCK CORPORATION |
0 |
3 |
1 |
3 |
1 |
8 |
RITE-HITE CORPORATION |
5 |
3 |
0 |
0 |
0 |
8 |
SCHREIBER FOODS, INC. |
3 |
3 |
0 |
2 |
0 |
8 |
SHELDON/VAN SOMEREN, INC. |
0 |
5 |
3 |
0 |
0 |
8 |
SILICON GRAPHICS, INC. |
0 |
0 |
0 |
1 |
7 |
8 |
TEIENDA CORPORATION |
2 |
3 |
3 |
0 |
0 |
8 |
TOMAH PRODUCTS, INC. |
2 |
3 |
0 |
0 |
3 |
8 |
TULIP CORPORATION |
3 |
3 |
2 |
0 |
0 |
8 |
W. R. GRACE & CO.-CONN. |
8 |
0 |
0 |
0 |
0 |
8 |
WEST BEND COMPANY |
3 |
1 |
1 |
3 |
0 |
8 |
ALLIANCE LAUNDRY SYSTEMS LLC |
0 |
0 |
1 |
4 |
2 |
7 |
ANDIS COMPANY |
2 |
0 |
2 |
3 |
0 |
7 |
BRADY WORLDWIDE, INC. |
0 |
0 |
3 |
2 |
2 |
7 |
BUCYRUS INTERNATIONAL, INC. |
0 |
0 |
4 |
1 |
2 |
7 |
HUMANETICS CORPORATION |
1 |
2 |
2 |
2 |
0 |
7 |
HYDRO-THERMAL CORP. |
3 |
2 |
1 |
1 |
0 |
7 |
K. W. MUTH COMPANY, INC. |
2 |
1 |
1 |
2 |
1 |
7 |
MANITOWOC FOODSERVICE GROUP, INC. |
0 |
2 |
2 |
2 |
1 |
7 |
MARATHON ELECTRIC MANUFACTURING CORPORATION |
1 |
4 |
0 |
0 |
2 |
7 |
MCGRAW-EDISON COMPANY |
0 |
0 |
1 |
1 |
5 |
7 |
MEGABIOS CORPORATION |
2 |
3 |
2 |
0 |
0 |
7 |
PECHINEY EMBALLAGE FLEXIBLE EUROPE |
0 |
0 |
0 |
0 |
7 |
7 |
REGAL WARE, INC. |
2 |
1 |
1 |
1 |
2 |
7 |
SEAQUIST CLOSURES FOREIGN, INC. |
0 |
0 |
0 |
0 |
7 |
7 |
SERIGRAPH INC. |
0 |
1 |
1 |
3 |
2 |
7 |
SNO-WAY INTERNATIONAL, INC. |
0 |
1 |
3 |
3 |
0 |
7 |
UNITED DOMINION INDUSTRIES, INC. |
2 |
0 |
0 |
3 |
2 |
7 |
A. O. SMITH CORPORATION |
1 |
0 |
1 |
2 |
2 |
6 |
ALLTRISTA CORPORATION |
0 |
0 |
1 |
1 |
4 |
6 |
ANCHOR WALL SYSTEMS, INC. |
0 |
0 |
1 |
4 |
1 |
6 |
DOUGLAS DYNAMICS, INC. |
0 |
3 |
0 |
2 |
1 |
6 |
EMERSON ELECTRIC CO. |
0 |
0 |
2 |
2 |
2 |
6 |
EMPIRE LEVEL MANUFACTURING CO. |
1 |
0 |
3 |
1 |
1 |
6 |
FULTON PERFORMANCE PRODUCTS, INC. |
0 |
0 |
2 |
2 |
2 |
6 |
GENERAC CORPORATION |
0 |
4 |
2 |
0 |
0 |
6 |
GENERAL SIGNAL CORPORATION |
0 |
4 |
1 |
1 |
0 |
6 |
GIDDINGS + LEWIS, INC. |
1 |
3 |
1 |
1 |
0 |
6 |
GREENHECK FAN CORPORATION |
1 |
1 |
2 |
1 |
1 |
6 |
H & S MANUFACTURING CO., INC. |
1 |
0 |
0 |
3 |
2 |
6 |
HK SYSTEMS, INC. |
1 |
5 |
0 |
0 |
0 |
6 |
HUBBELL INCORPORATED |
2 |
2 |
1 |
1 |
0 |
6 |
INTER-MED, LLC. |
0 |
0 |
3 |
1 |
2 |
6 |
J&R ENGINEERING COMPANY, INC. |
0 |
1 |
1 |
2 |
2 |
6 |
LIGNOTECH USA, INC. (FKA DAISHOWA CHEMICALS INC.) |
2 |
0 |
2 |
1 |
1 |
6 |
LYCO MANUFACTURING, INC. |
2 |
0 |
0 |
1 |
3 |
6 |
MHE TECHNOLOGIES, INC. |
0 |
0 |
2 |
2 |
2 |
6 |
MONROE TRUCK EQUIPMENT, INC. |
0 |
3 |
2 |
1 |
0 |
6 |
OIL-RITE CORPORATION |
1 |
0 |
2 |
3 |
0 |
6 |
PANVERA CORPORATION |
0 |
2 |
1 |
1 |
2 |
6 |
POWDERJECT VACCINES, INC. |
0 |
2 |
2 |
2 |
0 |
6 |
R.J. TOWER CORPORATION |
0 |
2 |
1 |
0 |
3 |
6 |
RESEARCH PRODUCTS CORPORATION |
2 |
1 |
1 |
1 |
1 |
6 |
RYTEC CORPORATION |
1 |
0 |
0 |
2 |
3 |
6 |
SURGICAL ACUITY, INC. |
1 |
1 |
0 |
3 |
1 |
6 |
SVEDALA INDUSTRIES, INC. |
0 |
0 |
0 |
2 |
4 |
6 |
TETRA LAVAL HOLDINGS & FINANCE S.A. |
0 |
1 |
3 |
2 |
0 |
6 |
THE VOLLRATH COMPANY, L.L.C. |
0 |
3 |
2 |
0 |
1 |
6 |
U.S. CONTROLS CORPORATION |
2 |
1 |
2 |
1 |
0 |
6 |
VOITH SULZER PAPIERTECHNIK PATENT GMBH |
0 |
0 |
1 |
1 |
4 |
6 |
WEASLER ENGINEERING, INC. |
3 |
3 |
0 |
0 |
0 |
6 |
ACTUANT CORPORATION |
0 |
0 |
0 |
0 |
5 |
5 |
ALWIN MANUFACTURING COMPANY, INC. |
1 |
0 |
2 |
1 |
1 |
5 |
DANA CORPORATION |
0 |
2 |
2 |
0 |
1 |
5 |
DCV, INC. |
0 |
1 |
1 |
1 |
2 |
5 |
DELAWARE CAPITAL FORMATION, INC. |
1 |
2 |
2 |
0 |
0 |
5 |
DISPENSING SYSTEMS, INC. |
0 |
0 |
0 |
0 |
5 |
5 |
EDSTROM INDUSTRIES, INC. |
1 |
1 |
2 |
0 |
1 |
5 |
ERIE MANUFACTURING COMPANY |
0 |
1 |
1 |
3 |
0 |
5 |
FE PETRO INC. |
1 |
2 |
1 |
1 |
0 |
5 |
FILTERTEK, INC. |
1 |
2 |
0 |
1 |
1 |
5 |
FLECK CONTROLS, INC. |
2 |
3 |
0 |
0 |
0 |
5 |
GENERAC POWER SYSTEMS, INC. |
0 |
0 |
2 |
2 |
1 |
5 |
HENKEL CORPORATION |
0 |
0 |
2 |
3 |
0 |
5 |
INFIGEN, INC. |
0 |
0 |
0 |
3 |
2 |
5 |
LAKE COUNTRY MANUFACTURING, INC. |
0 |
0 |
3 |
1 |
1 |
5 |
MAGNETEK INC. |
0 |
2 |
1 |
1 |
1 |
5 |
MEDICAL COLLEGE OF WISCONSIN RESEARCH FOUNDATION, INC. |
2 |
1 |
0 |
2 |
0 |
5 |
MIDWEST INSTRUMENT CO., INC. |
1 |
2 |
0 |
1 |
1 |
5 |
MILLER ELECTRIC MANUFACTURING COMPANY |
1 |
2 |
2 |
0 |
0 |
5 |
MOLECULAR BIOLOGY RESOURCES, INC. |
1 |
1 |
1 |
1 |
1 |
5 |
MORTON INTERNATIONAL, INC. |
1 |
1 |
2 |
0 |
1 |
5 |
NORAN INSTRUMENTS, INC. |
0 |
2 |
2 |
1 |
0 |
5 |
NOVAGEN, INC. |
1 |
1 |
3 |
0 |
0 |
5 |
PDQ MANUFACTURING INC. |
1 |
4 |
0 |
0 |
0 |
5 |
PLAYSTAR, INC. |
0 |
0 |
0 |
4 |
1 |
5 |
PLYMOUTH PRODUCTS INCORPORATED |
0 |
0 |
4 |
1 |
0 |
5 |
POWERWARE CORPORATION |
0 |
0 |
0 |
0 |
5 |
5 |
PROGRESSIVE TECHNOLOGY OF WISCONSIN, INC. |
1 |
1 |
1 |
2 |
0 |
5 |
RMT, INC. |
0 |
0 |
4 |
0 |
1 |
5 |
ROCKWELL AUTOMATION TECHNOLOGIES, INC. |
0 |
0 |
0 |
0 |
5 |
5 |
RUUD LIGHTING, INC. |
0 |
1 |
3 |
0 |
1 |
5 |
TRI-CLOVER, INC. |
0 |
1 |
1 |
3 |
0 |
5 |
UVIEW ULTRAVIOLET SYSTEMS, INC. |
0 |
0 |
0 |
4 |
1 |
5 |
WAYNE PIGMENT CORP. |
0 |
2 |
1 |
2 |
0 |
5 |
ZENITH SINTERED PRODUCTS, INC. |
0 |
0 |
1 |
3 |
1 |
5 |