Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 1997

Ranked by patent count

Showing 9,151–9,200 of 13,859 companies

Rank Company Patents
#9237 Ranco Incorporated Of Delaware 1
#9238 Ramsey Foundation 1
#9239 Ramax 1
#9240 Ram Machines (1990) 1
#9241 Ralston Purina 1
#9242 Ralph'S Industrial Sewing Machine 1
#9243 Ralph Maltby Enterprises 1
#9244 Raisio Chemicals Oy 1
#9245 Raintree Essix 1
#9246 Rainer S.R.L. 1
#9247 Rafael-Armament Development Authority 1
#9248 Radon Testing Corporation Of America 1
#9249 Rado Uhren Ag (Montres Rado S.A.) (Rado Watch Co. Ltd.) 1
#9250 Radius International 1
#9251 Radius Engineering 1
#9252 Radiodetection Limited 1
#9253 Radio Telecom & Technology 1
#9254 Radiant Imaging 1
#9255 Radian Group 1
#9256 Racing Strollers 1
#9257 Raceway Components 1
#9258 Racer-Mate 1
#9259 R-N-R International 1
#9260 R. Griggs Group Limited 1
#9261 R. G. Barry 1
#9262 R & D Tool & Engineering 1
#9263 R B & W 1
#9264 R. A. Hanson Company 1
#9265 Quotron Systems 1
#9266 Quipp Systems 1
#9267 Quinta 1
#9268 Quikey Manufacturing Co. 1
#9269 Quidel 1
#9270 Quickie Designs 1
#9271 Quick Technologies 1
#9272 Quick Connectors 1
#9273 Quest International Flavors & Food Ingredients Company, Division Of Indopco 1
#9274 Quesant Instrument 1
#9275 Queen'S University Of Kingston 1
#9276 Quebec Metal Powders 1
#9277 Quarton 1
#9278 Quantum Technologies Gmbh 1
#9279 Quantum Logic 1
#9280 Quantum Devices 1
#9281 Quantum Design 1
#9282 Quantel Limited 1
#9283 Quanta Vision Co. 1
#9284 Quanta Computer 1
#9285 Quanex 1
#9286 Qualtec Data Products 1