~INDIVIDUALLY OWNED PATENT |
85 |
60 |
85 |
50 |
55 |
335 |
DEERE + COMPANY |
66 |
62 |
58 |
46 |
46 |
278 |
PIONEER HI-BRED INTERNATIONAL, INC. |
51 |
33 |
47 |
73 |
55 |
259 |
STINE SEED FARM, INC. |
37 |
41 |
61 |
54 |
31 |
224 |
ROCKWELL COLLINS, INC. |
41 |
29 |
39 |
44 |
40 |
193 |
UNIVERSITY OF IOWA RESEARCH FOUNDATION |
16 |
16 |
27 |
24 |
19 |
102 |
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC. |
24 |
12 |
22 |
22 |
12 |
92 |
MAYTAG CORPORATION |
29 |
22 |
27 |
7 |
4 |
89 |
FISHER CONTROLS INTERNATIONAL, INC. |
14 |
19 |
21 |
10 |
9 |
73 |
MONSANTO TECHNOLOGY, LLC |
0 |
3 |
3 |
25 |
42 |
73 |
GATEWAY 2000, INC. |
16 |
15 |
13 |
8 |
7 |
59 |
VERMEER MANUFACTURING COMPANY, INC. |
14 |
13 |
11 |
8 |
12 |
58 |
CNH AMERICA LLC |
1 |
8 |
7 |
13 |
7 |
36 |
LISLE CORPORATION |
8 |
8 |
7 |
4 |
4 |
31 |
SAUER-DANFOSS INC. |
6 |
9 |
7 |
4 |
5 |
31 |
XILINX, INC. |
4 |
6 |
8 |
6 |
6 |
30 |
INTERMEC IP CORP. |
3 |
5 |
5 |
7 |
9 |
29 |
BROADCOM CORPORATION |
5 |
6 |
6 |
1 |
9 |
27 |
WHIRLPOOL CORPORATION |
0 |
0 |
0 |
7 |
17 |
24 |
RITE-HITE HOLDING CORPORATION |
3 |
8 |
4 |
6 |
1 |
22 |
SKYWORKS SOLUTIONS, INC. |
4 |
5 |
3 |
3 |
6 |
21 |
GRAIN PROCESSING CORPORATION |
7 |
5 |
3 |
3 |
2 |
20 |
SQUARE D COMPANY |
4 |
2 |
6 |
5 |
3 |
20 |
SYNGENTA PARTICIPATIONS AG |
1 |
0 |
3 |
4 |
11 |
19 |
TRI/MARK CORPORATION |
5 |
1 |
4 |
6 |
3 |
19 |
MUSCO CORPORATION |
4 |
2 |
3 |
6 |
3 |
18 |
HNI TECHNOLOGIES INC. |
0 |
10 |
5 |
0 |
0 |
15 |
STORK TOWNSEND INC. |
0 |
0 |
4 |
8 |
1 |
13 |
HON TECHNOLOGY INC. |
7 |
5 |
0 |
0 |
0 |
12 |
MICREL INCORPORATED |
2 |
4 |
3 |
3 |
0 |
12 |
CRYSTAL GROUP INC |
6 |
1 |
2 |
2 |
0 |
11 |
TOWNSEND ENGINEERING COMPANY |
2 |
5 |
4 |
0 |
0 |
11 |
PELLA CORPORATION |
3 |
1 |
5 |
1 |
0 |
10 |
POLARIS INDUSTRIES, INC. |
4 |
5 |
0 |
1 |
0 |
10 |
WYETH |
0 |
1 |
2 |
3 |
4 |
10 |
CARLETON LIFE SUPPORT SYSTEMS, INC. |
2 |
2 |
2 |
2 |
1 |
9 |
GARST SEED COMPANY |
0 |
0 |
4 |
5 |
0 |
9 |
LIGHTWAVES SYSTEMS, INC. |
1 |
3 |
1 |
1 |
3 |
9 |
ALCOA INC. |
5 |
0 |
2 |
1 |
0 |
8 |
CUSTOM-PAK, INCORPORATED |
1 |
0 |
3 |
2 |
2 |
8 |
HUNTER'S SPECIALTIES, INC. |
3 |
1 |
1 |
0 |
3 |
8 |
HWH CORPORATION |
4 |
2 |
0 |
0 |
2 |
8 |
PUTCO, INC. |
0 |
3 |
2 |
3 |
0 |
8 |
BIOFORCE NANOSCIENCES, INC. |
1 |
1 |
3 |
0 |
2 |
7 |
HENDERSON MANUFACTURING CO. |
1 |
4 |
0 |
1 |
1 |
7 |
LINK MFG., LTD. |
2 |
1 |
1 |
3 |
0 |
7 |
SOYGENETICS, LLC |
2 |
1 |
1 |
3 |
0 |
7 |
SUKUP MANUFACTURING COMPANY |
1 |
4 |
2 |
0 |
0 |
7 |
TRIPLETAIL VENTURES, INC. |
0 |
0 |
3 |
1 |
3 |
7 |
DAIRYLAND SEED CO., INC. |
1 |
0 |
0 |
4 |
1 |
6 |
F. R. DRAKE COMPANY |
1 |
2 |
2 |
0 |
1 |
6 |
GARY W. CLEM, INC. |
2 |
1 |
1 |
0 |
2 |
6 |
MCI, INC. |
3 |
2 |
1 |
0 |
0 |
6 |
SIRF TECHNOLOGY, INC. |
1 |
2 |
2 |
1 |
0 |
6 |
STINE BIOTECHNOLOGY, INC. |
0 |
1 |
4 |
1 |
0 |
6 |
VECTOR CORPORATION |
3 |
0 |
0 |
0 |
3 |
6 |
VERIZON BUSINESS GLOBAL LLC |
0 |
0 |
0 |
3 |
3 |
6 |
ADVANTA U.S.A., INC. |
4 |
1 |
0 |
0 |
0 |
5 |
BARNSTEAD THERMOLYNE CORPORATION |
0 |
0 |
2 |
0 |
3 |
5 |
CEDARAPIDS, INC. |
0 |
2 |
0 |
1 |
2 |
5 |
COMBISEP, INC. |
2 |
1 |
2 |
0 |
0 |
5 |
COMPRESSOR CONTROLS CORP. |
2 |
0 |
2 |
1 |
0 |
5 |
DECISIONMARK CORP. |
3 |
0 |
1 |
1 |
0 |
5 |
DELAVAN INC. |
2 |
1 |
1 |
0 |
1 |
5 |
E. I. DU PONT DE NEMOURS AND COMPANY |
1 |
0 |
3 |
1 |
0 |
5 |
HOLDEN'S FOUNDATION SEEDS, INC. |
2 |
2 |
0 |
1 |
0 |
5 |
LITTON SYSTEMS INC. |
4 |
1 |
0 |
0 |
0 |
5 |
MCI, LLC |
0 |
0 |
3 |
2 |
0 |
5 |
MITEC INCORPORATED |
2 |
2 |
1 |
0 |
0 |
5 |
NCS PEARSON, INC. |
1 |
2 |
2 |
0 |
0 |
5 |
RF MICRO DEVICES, INC. |
1 |
0 |
0 |
2 |
2 |
5 |
THE LAURIDSEN GROUP INCORPORATED |
1 |
1 |
1 |
2 |
0 |
5 |
THERMAL DYNAMICS, INC. |
2 |
3 |
0 |
0 |
0 |
5 |
U.S. FILTER CORPORATION |
1 |
1 |
3 |
0 |
0 |
5 |
WINEGARD COMPANY |
0 |
1 |
1 |
0 |
3 |
5 |