| ~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 |
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