~Individually Owned Patent |
297 |
275 |
279 |
230 |
231 |
1312 |
KIMBERLY-CLARK WORLDWIDE, INC. |
124 |
133 |
152 |
218 |
194 |
821 |
WISCONSIN ALUMNI RESEARCH FOUNDATION |
59 |
67 |
73 |
75 |
62 |
336 |
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC |
0 |
20 |
115 |
91 |
88 |
314 |
GENERAL ELECTRIC COMPANY |
83 |
127 |
63 |
21 |
19 |
313 |
ILLINOIS TOOL WORKS INC. |
29 |
28 |
27 |
35 |
43 |
162 |
3M INNOVATIVE PROPERTIES COMPANY |
26 |
25 |
25 |
35 |
37 |
148 |
FORT JAMES CORPORATION |
30 |
38 |
33 |
19 |
24 |
144 |
BRUNSWICK CORPORATION |
30 |
26 |
33 |
27 |
25 |
141 |
S. C. JOHNSON + SON, INC. |
14 |
10 |
36 |
21 |
28 |
109 |
ROCKWELL AUTOMATION TECHNOLOGIES, INC. |
0 |
5 |
26 |
26 |
27 |
84 |
EATON CORPORATION |
22 |
19 |
17 |
12 |
11 |
81 |
KOHLER CO. |
5 |
13 |
13 |
16 |
17 |
64 |
PROMEGA CORPORATION |
7 |
19 |
13 |
13 |
11 |
63 |
BOMBARDIER MOTOR CORPORATION OF AMERICA |
0 |
19 |
26 |
15 |
2 |
62 |
JOHNSON CONTROLS TECHNOLOGY COMPANY |
18 |
19 |
14 |
6 |
4 |
61 |
REYNOLDS CONSUMER PRODUCTS, INC. |
9 |
16 |
15 |
12 |
8 |
60 |
DEERE + COMPANY |
14 |
15 |
9 |
11 |
7 |
56 |
BRIGGS + STRATTON CORPORATION |
12 |
11 |
9 |
11 |
9 |
52 |
HARLEY-DAVIDSON MOTOR CO., INC. |
8 |
18 |
7 |
9 |
6 |
48 |
VOITH SULZER PAPER TECHNOLOGY NORTH AMERICA, INC. |
9 |
17 |
13 |
8 |
0 |
47 |
SILICON GRAPHICS, INC. |
1 |
7 |
14 |
10 |
14 |
46 |
SNAP-ON TECHNOLOGIES, INC. |
2 |
15 |
8 |
12 |
3 |
40 |
GE MEDICAL SYSTEMS INFORMATION TECHNOLOGIES, INC. |
0 |
2 |
10 |
16 |
11 |
39 |
NELSON INDUSTRIES, INC. |
5 |
10 |
15 |
8 |
1 |
39 |
AMERICAN STANDARD INTERNATIONAL INC. |
0 |
12 |
9 |
14 |
3 |
38 |
HUSCO INTERNATIONAL, INC. |
4 |
4 |
6 |
8 |
15 |
37 |
MILWAUKEE ELECTRIC TOOL CORPORATION |
3 |
10 |
7 |
6 |
10 |
36 |
PECHINEY EMBALLAGE FLEXIBLE EUROPE |
0 |
7 |
8 |
12 |
9 |
36 |
RITE-HITE HOLDING CORPORATION |
9 |
9 |
6 |
6 |
4 |
34 |
ROCKWELL TECHNOLOGIES, LLC |
8 |
21 |
2 |
0 |
0 |
31 |
MODINE MANUFACTURING INC. |
5 |
3 |
6 |
5 |
11 |
30 |
TEXTRON INC. |
11 |
4 |
5 |
3 |
6 |
29 |
EARTH TOOL COMPANY, L.L.C. |
1 |
10 |
7 |
6 |
4 |
28 |
SEAQUIST CLOSURES FOREIGN, INC. |
0 |
7 |
13 |
4 |
3 |
27 |
ARMAMENT SYSTEMS & PROCEDURES, INC. |
5 |
6 |
5 |
3 |
7 |
26 |
RELIANCE CONTROLS CORP. |
7 |
3 |
3 |
8 |
5 |
26 |
PAPER CONVERTING MACHINE COMPANY |
7 |
9 |
4 |
4 |
1 |
25 |
TECUMSEH PRODUCTS COMPANY |
2 |
5 |
7 |
6 |
5 |
25 |
S. C. JOHNSON COMMERCIAL MARKETS, INC. |
8 |
8 |
8 |
0 |
0 |
24 |
AMERICAN STANDARD, INC. |
14 |
7 |
1 |
1 |
0 |
23 |
APPLETON PAPERS, INC. |
2 |
3 |
3 |
8 |
7 |
23 |
KELLEY COMPANY, INC. |
6 |
6 |
7 |
3 |
1 |
23 |
MCGRAW-EDISON COMPANY |
1 |
5 |
3 |
4 |
10 |
23 |
QUAD/TECH, INC. |
6 |
7 |
6 |
2 |
2 |
23 |
STRATTEC SECURITY CORPORATION |
4 |
1 |
5 |
8 |
5 |
23 |
ACTUANT CORPORATION |
0 |
5 |
6 |
3 |
8 |
22 |
RAY-O-VAC CORPORATION |
6 |
6 |
6 |
2 |
2 |
22 |
THIRD WAVE TECHNOLOGIES, INC. |
2 |
3 |
5 |
3 |
8 |
21 |
CASE CORPORATION |
5 |
4 |
3 |
5 |
3 |
20 |
ECOLAB INC. |
3 |
2 |
2 |
10 |
3 |
20 |
KRUEGER INTERNATIONAL, INC. |
5 |
5 |
4 |
3 |
3 |
20 |
LUNAR CORPORATION |
6 |
5 |
5 |
3 |
0 |
19 |
GENERAC POWER SYSTEMS, INC. |
2 |
1 |
3 |
6 |
6 |
18 |
NCR CORPORATION |
0 |
1 |
0 |
8 |
9 |
18 |
ABBOTT LABORATORIES |
2 |
5 |
5 |
3 |
2 |
17 |
CARDINAL IG COMPANY |
5 |
3 |
0 |
5 |
4 |
17 |
COOPER INDUSTRIES INC. |
4 |
4 |
4 |
3 |
2 |
17 |
MARQUIP INC. |
15 |
2 |
0 |
0 |
0 |
17 |
NEWELL OPERATING COMPANY |
5 |
7 |
1 |
3 |
1 |
17 |
SNAP-ON TOOLS CORPORATION |
9 |
5 |
2 |
1 |
0 |
17 |
THOMAS INDUSTRIES, INC. |
4 |
5 |
4 |
0 |
4 |
17 |
W. L. GORE & ASSSOCIATES, INC. |
13 |
3 |
1 |
0 |
0 |
17 |
C. G. BRETTING MANUFACTURING CO., INC. |
2 |
4 |
3 |
4 |
3 |
16 |
HARNISCHFEGER TECHNOLOGIES, INC. |
3 |
9 |
3 |
1 |
0 |
16 |
KRAFT FOODS, INC. |
10 |
4 |
1 |
0 |
1 |
16 |
MENASHA CORPORATION |
1 |
3 |
6 |
4 |
2 |
16 |
OUTBOARD MARINE CORPORATION |
8 |
7 |
1 |
0 |
0 |
16 |
QUAD/GRAPHICS INC. |
4 |
5 |
2 |
0 |
5 |
16 |
REXNORD CORPORATION |
6 |
6 |
3 |
0 |
1 |
16 |
BONE CARE INTERNATIONAL, INC. |
6 |
2 |
1 |
5 |
1 |
15 |
BRADY WORLDWIDE, INC. |
2 |
2 |
4 |
6 |
1 |
15 |
DATEX-OHMEDA, INC. |
7 |
1 |
1 |
4 |
2 |
15 |
FLEETGUARD, INC. |
0 |
0 |
2 |
6 |
7 |
15 |
MIRUS CORPORATION |
1 |
1 |
5 |
3 |
5 |
15 |
AOS HOLDING COMPANY |
1 |
5 |
1 |
4 |
3 |
14 |
DORNER MFG. CORP. |
1 |
6 |
3 |
3 |
1 |
14 |
ENDOLINE% MEGTEC SYSTEMS, INC. |
3 |
5 |
0 |
3 |
3 |
14 |
GE MEDICAL TECHNOLOGY SERVICES, INC. |
0 |
0 |
4 |
5 |
5 |
14 |
IMATION CORP. |
7 |
3 |
0 |
1 |
3 |
14 |
JOHNSONDIVERSEY, INC. |
0 |
0 |
3 |
6 |
5 |
14 |
POWERWARE CORPORATION |
0 |
5 |
6 |
2 |
1 |
14 |
UNITED STATES OF AMERICA, DEPARTMENT OF AGRICULTURE |
2 |
3 |
4 |
3 |
2 |
14 |
BADGER METER, INC. |
3 |
1 |
4 |
5 |
0 |
13 |
BUELL MOTORCYCLE COMPANY |
1 |
3 |
1 |
5 |
3 |
13 |
HUFFY CORPORATION |
3 |
3 |
6 |
1 |
0 |
13 |
THE MCW RESEARCH FOUNDATION, INC. |
1 |
3 |
2 |
3 |
4 |
13 |
EMERSON ELECTRIC CO. |
2 |
2 |
2 |
4 |
2 |
12 |
H & S MANUFACTURING CO., INC. |
3 |
2 |
3 |
1 |
3 |
12 |
OSHKOSH TRUCK CORPORATION |
3 |
1 |
0 |
5 |
3 |
12 |
ALTERRA HOLDINGS CORPORATION |
0 |
3 |
3 |
2 |
3 |
11 |
AMERICAN SUPERCONDUCTOR CORPORATION |
0 |
0 |
7 |
2 |
2 |
11 |
CRAY RESEARCH, INC. |
10 |
1 |
0 |
0 |
0 |
11 |
GEHL COMPANY |
5 |
1 |
0 |
4 |
1 |
11 |
J & L FIBER SERVICES, INC. |
2 |
2 |
1 |
3 |
3 |
11 |
MEDTRONIC INC. |
1 |
0 |
1 |
4 |
5 |
11 |
MOTOROLA, INC. |
4 |
3 |
1 |
1 |
2 |
11 |
SDGI HOLDINGS, INC. |
0 |
2 |
4 |
4 |
1 |
11 |
SNO-WAY INTERNATIONAL, INC. |
3 |
0 |
1 |
2 |
5 |
11 |
SPACESAVER CORPORATION |
1 |
1 |
2 |
3 |
4 |
11 |
STORA ENSO NORTH AMERICA CORP. |
0 |
2 |
1 |
4 |
4 |
11 |
ABB FLEXIBLE AUTOMATION INC. |
3 |
4 |
2 |
1 |
0 |
10 |
ANDERSEN CORPORATION |
5 |
1 |
1 |
0 |
3 |
10 |
APPLIED POWER INC. |
6 |
4 |
0 |
0 |
0 |
10 |
ASGROW SEED CO. LLC |
2 |
3 |
5 |
0 |
0 |
10 |
BEERE PRECISION MEDICAL INSTRUMENTS, INC. |
4 |
2 |
0 |
4 |
0 |
10 |
CRAY INC. |
0 |
3 |
2 |
3 |
2 |
10 |
FULTON PERFORMANCE PRODUCTS, INC. |
2 |
2 |
3 |
2 |
1 |
10 |
GEORGIA-PACIFIC CORPORATION |
0 |
0 |
3 |
4 |
3 |
10 |
HARKEN, INC. |
1 |
5 |
1 |
1 |
2 |
10 |
HONEYWELL INTERNATIONAL INC. |
0 |
4 |
2 |
2 |
2 |
10 |
MASTER LOCK COMPANY |
1 |
1 |
5 |
2 |
1 |
10 |
SSI TECHNOLOGIES, INC. |
2 |
3 |
2 |
1 |
2 |
10 |
TREK BICYCLE CORPORATION |
4 |
1 |
0 |
2 |
3 |
10 |
ULTRATEC, INC. |
2 |
2 |
1 |
5 |
0 |
10 |
WACKER CORPORATION |
2 |
2 |
5 |
1 |
0 |
10 |
A. O. SMITH CORPORATION |
2 |
2 |
2 |
3 |
0 |
9 |
ALLEN BRADLEY COMPANY, LLC |
9 |
0 |
0 |
0 |
0 |
9 |
APTARGROUP, INC. |
7 |
2 |
0 |
0 |
0 |
9 |
ATO FINDLEY, INC. |
5 |
1 |
3 |
0 |
0 |
9 |
BELOIT TECHNOLOGIES, INC. |
6 |
3 |
0 |
0 |
0 |
9 |
BEMIS MANUFACTURING COMPANY, INC. |
1 |
2 |
3 |
1 |
2 |
9 |
DEC INTERNATIONAL INC. |
5 |
0 |
4 |
0 |
0 |
9 |
FISHER HAMILTON INC. |
3 |
0 |
1 |
4 |
1 |
9 |
IGC-MEDICAL ADVANCES, INC. |
0 |
0 |
1 |
2 |
6 |
9 |
JOHNSON OUTDOORS INC. |
0 |
4 |
3 |
2 |
0 |
9 |
MARQUIP, LLC |
0 |
1 |
2 |
2 |
4 |
9 |
METSO PAPER, INC. |
0 |
1 |
1 |
5 |
2 |
9 |
PLAYSTAR, INC. |
4 |
1 |
2 |
1 |
1 |
9 |
RUUD LIGHTING, INC. |
0 |
1 |
4 |
2 |
2 |
9 |
SERIGRAPH INC. |
3 |
2 |
1 |
0 |
3 |
9 |
ALLIANCE LAUNDRY SYSTEMS LLC |
4 |
2 |
2 |
0 |
0 |
8 |
BELL LABORATORIES, INC. |
1 |
0 |
4 |
2 |
1 |
8 |
CORONA OPTICAL SYSTEMS, INC. |
0 |
0 |
0 |
3 |
5 |
8 |
DONALDSON COMPANY, INC. |
1 |
1 |
2 |
0 |
4 |
8 |
EVERBRITE, INC. |
1 |
0 |
3 |
2 |
2 |
8 |
GERBER PRODUCTS COMPANY |
3 |
1 |
2 |
2 |
0 |
8 |
GRABER PRODUCTS, INC. |
2 |
0 |
2 |
3 |
1 |
8 |
INFIGEN, INC. |
3 |
2 |
1 |
1 |
1 |
8 |
KIMBERLY-CLARK CORPORATION |
3 |
5 |
0 |
0 |
0 |
8 |
NORTHLAND INDUSTRIES, INC. |
0 |
2 |
1 |
1 |
4 |
8 |
PILLING WECK INCORPORATED |
0 |
0 |
0 |
1 |
7 |
8 |
RECOT, INC. |
1 |
2 |
3 |
0 |
2 |
8 |
SCHREIBER FOODS, INC. |
2 |
0 |
3 |
1 |
2 |
8 |
U.S. FILTER CORPORATION |
2 |
2 |
0 |
3 |
1 |
8 |
VOITH PAPER PATENT GMBH |
0 |
0 |
1 |
3 |
4 |
8 |
VOITH PAPER, INC. |
0 |
0 |
5 |
3 |
0 |
8 |
VOITH SULZER PAPIERTECHNIK PATENT GMBH |
1 |
4 |
2 |
1 |
0 |
8 |
ABB AUTOMATION, INC. |
0 |
1 |
4 |
1 |
1 |
7 |
AMERICAN NATIONAL CAN COMPANY |
6 |
1 |
0 |
0 |
0 |
7 |
CURT G. JOA, INC. |
0 |
0 |
3 |
4 |
0 |
7 |
GE MARQUETTE MEDICAL SYSTEMS, INC. |
0 |
2 |
2 |
3 |
0 |
7 |
LYCO MANUFACTURING, INC. |
1 |
3 |
1 |
1 |
1 |
7 |
MANITOWOC CRANE GROUP, INC. |
4 |
3 |
0 |
0 |
0 |
7 |
MHE TECHNOLOGIES, INC. |
2 |
2 |
0 |
1 |
2 |
7 |
MILLER BREWING COMPANY |
2 |
2 |
1 |
1 |
1 |
7 |
OIL-RITE CORPORATION |
3 |
0 |
1 |
2 |
1 |
7 |
PUTZMEISTER, INC. |
0 |
2 |
1 |
3 |
1 |
7 |
RYTEC CORPORATION |
2 |
3 |
2 |
0 |
0 |
7 |
S. C. JOHNSON HOME STORAGE INC. |
0 |
1 |
2 |
1 |
3 |
7 |
SEAGATE TECHNOLOGY, LLC |
0 |
1 |
1 |
5 |
0 |
7 |
SVEDALA INDUSTRIES, INC. |
2 |
4 |
1 |
0 |
0 |
7 |
UNITED DOMINION INDUSTRIES, INC. |
3 |
2 |
1 |
0 |
1 |
7 |
WHITE CONSOLIDATED INDUSTRIES, INC. |
3 |
4 |
0 |
0 |
0 |
7 |
WISYS TECHNOLOGY FOUNDATION, INC. |
0 |
0 |
0 |
1 |
6 |
7 |
ANCHOR WALL SYSTEMS, INC. |
4 |
1 |
1 |
0 |
0 |
6 |
ARROWHEAD SYSTEMS LLC |
1 |
1 |
3 |
1 |
0 |
6 |
BEROL CORPORATION |
2 |
0 |
1 |
2 |
1 |
6 |
BLANKING SYSTEMS, INC. |
0 |
0 |
0 |
0 |
6 |
6 |
BOSTIK FINDLEY, INC. |
0 |
2 |
2 |
2 |
0 |
6 |
BROAN-NUTONE LLC |
0 |
2 |
1 |
0 |
3 |
6 |
BUCYRUS INTERNATIONAL, INC. |
1 |
2 |
1 |
1 |
1 |
6 |
CATERPILLAR INC. |
2 |
0 |
2 |
1 |
1 |
6 |
CMD CORPORATION |
1 |
1 |
1 |
0 |
3 |
6 |
CONSOLIDATED PAPERS INC. |
4 |
2 |
0 |
0 |
0 |
6 |
CRITICARE SYSTEMS, INC. |
1 |
1 |
2 |
1 |
1 |
6 |
DE LA RUE CASH SYSTEMS, INC. |
0 |
0 |
0 |
4 |
2 |
6 |
DISPENSING SYSTEMS, INC. |
0 |
5 |
1 |
0 |
0 |
6 |
EXTRUSION DIES, INCORPORATED |
1 |
1 |
2 |
2 |
0 |
6 |
HATCO CORPORATION |
2 |
1 |
2 |
1 |
0 |
6 |
KRAFT FOODS HOLDINGS, INC. |
0 |
0 |
2 |
2 |
2 |
6 |
LIGNOTECH USA, INC. (FKA DAISHOWA CHEMICALS INC.) |
1 |
1 |
2 |
2 |
0 |
6 |
MGS MFG. GROUP, INC. |
0 |
0 |
3 |
0 |
3 |
6 |
MONSANTO COMPANY, INC. |
4 |
2 |
0 |
0 |
0 |
6 |
PECHINEY PLASTIC PACKAGING, INC. |
2 |
1 |
1 |
2 |
0 |
6 |
RESEARCH PRODUCTS CORPORATION |
1 |
1 |
2 |
2 |
0 |
6 |
S & S CYCLE, INC. |
0 |
2 |
0 |
2 |
2 |
6 |
SANDVIK AKTIEBOLAG |
0 |
0 |
0 |
5 |
1 |
6 |
SNAP-ON INCORPORATED |
0 |
0 |
0 |
0 |
6 |
6 |
TECRE COMPANY, INC. |
1 |
0 |
2 |
0 |
3 |
6 |
THE BLOOD CENTER RESEARCH FOUNDATION, INC. |
1 |
3 |
0 |
2 |
0 |
6 |
THE VOLLRATH COMPANY, L.L.C. |
0 |
1 |
3 |
2 |
0 |
6 |
UVIEW ULTRAVIOLET SYSTEMS, INC. |
4 |
1 |
1 |
0 |
0 |
6 |
WEATHER CENTRAL, INC. |
0 |
0 |
3 |
1 |
2 |
6 |
XERXES CORPORATION |
0 |
1 |
1 |
3 |
1 |
6 |
ALLTRISTA CORPORATION |
1 |
4 |
0 |
0 |
0 |
5 |
ALWIN MANUFACTURING COMPANY, INC. |
1 |
1 |
3 |
0 |
0 |
5 |
ARIENS COMPANY |
0 |
1 |
0 |
2 |
2 |
5 |
ARKION LIFE SCIENCES LLC |
0 |
0 |
1 |
1 |
3 |
5 |
BOMBARDIER RECREATIONAL PRODUCTS INC. |
0 |
0 |
0 |
0 |
5 |
5 |
BRUKER AXS, INC. |
1 |
0 |
1 |
0 |
3 |
5 |
CONSTRUCTION FORMS, INC. |
0 |
0 |
2 |
0 |
3 |
5 |
DCI MARKETING |
0 |
3 |
1 |
0 |
1 |
5 |
DIGISONIX, LLC |
0 |
1 |
0 |
4 |
0 |
5 |
DOUGLAS DYNAMICS, INC. |
2 |
1 |
0 |
1 |
1 |
5 |
GATEWAY PLASTICS, INC. |
0 |
2 |
2 |
0 |
1 |
5 |
GILSON, INC. |
0 |
1 |
3 |
1 |
0 |
5 |
GOODYEAR TIRE + RUBBER COMPANY |
0 |
1 |
2 |
1 |
1 |
5 |
GREENHECK FAN CORPORATION |
1 |
1 |
0 |
2 |
1 |
5 |
HESKA CORPORATION |
1 |
2 |
1 |
0 |
1 |
5 |
HUDSON-SHARP MACHINE CO. |
3 |
0 |
0 |
1 |
1 |
5 |
HUMANETICS CORPORATION |
2 |
0 |
3 |
0 |
0 |
5 |
J&R ENGINEERING COMPANY, INC. |
2 |
2 |
0 |
0 |
1 |
5 |
K. W. MUTH COMPANY, INC. |
2 |
1 |
0 |
0 |
2 |
5 |
KNIGHT MANUFACTURING CORPORATION |
2 |
2 |
1 |
0 |
0 |
5 |
MAGNETEK INC. |
1 |
1 |
0 |
3 |
0 |
5 |
MEDRAD, INC. |
0 |
1 |
0 |
0 |
4 |
5 |
MILWAUKEE SCHOOL OF ENGINEERING |
0 |
1 |
1 |
2 |
1 |
5 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
5 |
0 |
0 |
0 |
0 |
5 |
NATIONAL PRESTO INDUSTRIES, INC. |
1 |
1 |
1 |
1 |
1 |
5 |
NEW FOCUS, INC. |
0 |
1 |
1 |
3 |
0 |
5 |
OB SCIENTIFIC |
0 |
1 |
2 |
1 |
1 |
5 |
ORBITAL TECHNOLOGIES CORPORATION |
1 |
1 |
0 |
3 |
0 |
5 |
PACIFIC CYCLE, LLC |
0 |
0 |
0 |
0 |
5 |
5 |
PENDA CORPORATION |
4 |
0 |
1 |
0 |
0 |
5 |
PILLAR INDUSTRIES, INC. |
2 |
1 |
1 |
1 |
0 |
5 |
POLARIS INDUSTRIES, INC. |
1 |
0 |
1 |
0 |
3 |
5 |
ROCKWELL SOFTWARE INC. |
0 |
0 |
3 |
1 |
1 |
5 |
SAMSUNG ELECTRONICS CO., LTD. |
0 |
0 |
0 |
2 |
3 |
5 |
SPRINGS WINDOW FASHIONS DIVISION, INC. |
0 |
4 |
1 |
0 |
0 |
5 |
SPRINGS WINDOW FASHIONS LP |
0 |
1 |
0 |
1 |
3 |
5 |
SPX CORPORATION |
0 |
0 |
0 |
2 |
3 |
5 |
SUNRISE MEDICAL HHG INC. |
0 |
0 |
3 |
2 |
0 |
5 |
TLX TECHNOLOGIES |
0 |
3 |
2 |
0 |
0 |
5 |
UNITED STATES GYPSUM COMPANY |
0 |
0 |
3 |
1 |
1 |
5 |
UNIVERSAL SEPARATORS, INC. |
0 |
2 |
0 |
1 |
2 |
5 |
ZENITH SINTERED PRODUCTS, INC. |
3 |
1 |
1 |
0 |
0 |
5 |