Top Companies 1997

Ranked by patent count

Showing 2,551–2,600 of 13,859 companies

Rank Company Patents
#2609 E-Lead Electronic Co. 5
#2610 Dupont Canada 5
#2611 Dravo Lime 5
#2612 Draftex Industries Limited 5
#2613 Dowell, A Division Of Schlumberger Technology 5
#2614 Domino S.P.A. 5
#2615 Doheny Eye Institute 5
#2616 Discovery Communications 5
#2617 Dipsol Chemicals Co. 5
#2618 Dielectrics Industries 5
#2619 Didier-Werke Ag 5
#2620 Devor Nurseries 5
#2621 Designs For Vision 5
#2622 Data Products 5
#2623 Darko 5
#2624 Dalsa 5
#2625 Daihen 5
#2626 Daig 5
#2627 Daido Steel Co. 5
#2628 D2B Systems Company Limited 5
#2629 Custom Plastics 5
#2630 Cummins-Allison 5
#2631 Credence Systems 5
#2633 Corvita 5
#2634 Cortech 5
#2635 Coors Brewing 5
#2636 Cooper Cameron 5
#2637 Consolidated Papers 5
#2638 Consiglio Nazionale Delle Ricerche 5
#2639 Comalco Aluminum Limited 5
#2640 Coloplast A/S 5
#2641 Collagen 5
#2642 Colibri 5
#2643 Coletica 5
#2644 Cold Spring Harbor Laboratory 5
#2645 Coburn Optical Industries 5
#2646 Clearwater Holdings 5
#2647 Clark Equipment 5
#2648 Ckd 5
#2649 Citibank, N.A. 5
#2650 Circulair 5
#2651 Cinna Of Briord 5
#2652 Ciena 5
#2653 Chiyoda 5
#2654 Chicago Bridge & Iron Technical Services 5
#2655 Cerdec Aktiengesellschaft Keramische Farben 5
#2656 Cerberus Ag 5
#2657 Cellpro, Incorporated 5
#2659 Castrol Limited 5
#2660 Cassella Aktiengesellschaft 5