Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 2017

Ranked by patent count

Showing 20,951–21,000 of 29,974 companies

Rank Company Patents
#21085 Rpost Communications Limited 1
#21086 Rpm Industries 1
#21087 Rph Engineering 1
#21088 Royer 1
#21089 Royal Suite Blackjack 1
#21090 Royal Holloway, University Of London 1
#21091 Royal Die & Stamping 1
#21092 Royal Canadian Mint 1
#21093 Royal Building Products (Usa) 1
#21094 Rowles Holdings 1
#21095 Rowiak Gmbh 1
#21096 Rowbot Systems 1
#21097 Rowan Holding 1
#21098 Rovalma, S.A. 1
#21099 Rousseau Research 1
#21100 Rousseau Metal 1
#21101 Roundbox 1
#21102 Rotzinger Ag 1
#21103 Rottapharm Spa 1
#21104 Rottapharm Biotech S.R.L. 1
#21105 Rotolight Limited 1
#21106 Rothenbuhler Engineering 1
#21107 Rotecna, S.A. 1
#21108 Rote Mate Industry Co. 1
#21109 Rotaprep 1
#21110 Rotacaster Wheel Limited 1
#21111 Rosy Blue Jewelry 1
#21112 Rosy Blue (India) Pvt. 1
#21113 Roswell Biotechnologies 1
#21114 Rostra Vernatherm 1
#21115 Rossmax International 1
#21116 Rossignol Lange S.R.L. 1
#21117 Roshmere 1
#21118 Rosenwach Tank Co. 1
#21119 Rosenbauer International Ag 1
#21120 Rosen Swiss Ag 1
#21121 Rosemont Pharmaceuticals Limited 1
#21122 Rosebud Lms 1
#21123 Root Wireless 1
#21124 Rooster Products International 1
#21125 Roofguard Manufacturing 1
#21126 Roofers' Advantage Products 1
#21127 Roof Systems Germany Gmbh 1
#21128 Rontgen Technische Dienst B.V. 1
#21129 Ronchi Mario S.P.A. 1
#21130 Romet Limited 1
#21131 Romar International Limited 1
#21132 Romac Industries 1
#21133 Rolls-Royce Power Engineering Plc 1
#21134 Rolls-Royce Controls And Data Services Limited 1