Christopher A. Keith
78Patents
21h-index
43Co-inventors
88Inventor score
Filing activity: Feb 13, 1997 → Feb 12, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD527736S1 | Graphic for a portion of a computer display screen | General | 153 | Expired |
| US6632142B2 | Internet gaming with multiple web sites | Human Necessities | 112 | Expired |
| USD526653S1 | Graphic for a portion of a computer display screen | General | 112 | Expired |
| USD526655S1 | Graphic for a portion of a computer display screen | General | 110 | Expired |
| US7383220B1 | Automated short term option order processing | Physics | 100 | Expired |
| US7162448B2 | Auction market with price improvement mechanism | Physics | 94 | Expired |
| US7398244B1 | Automated order book with crowd price improvement | Physics | 76 | Expired |
| US9715110B1 | Automotive head up display (HUD) | Physics | 69 | Active |
| USD526323S1 | Graphic for a portion of a computer display screen | General | 65 | Expired |
| US9599813B1 | Waveguide combiner system and method with less susceptibility to glare | Physics | 65 | Active |
| US9507150B1 | Head up display (HUD) using a bent waveguide assembly | Physics | 64 | Active |
| US7496533B1 | Decision table for order handling | Physics | 58 | Expired |
| USD526654S1 | Graphic for a portion of a computer display screen | General | 58 | Expired |
| USD526324S1 | Graphic for a portion of a computer display screen | General | 55 | Expired |
| US7472087B2 | Trading program for interacting with market programs on a platform | Physics | 54 | Expired |
| USD527735S1 | Graphic for a portion of a computer display screen | General | 50 | Expired |
| US7617144B2 | Auction market with price improvement mechanism | Physics | 46 | Expired |
| US7315840B1 | Procedural order system and method | Physics | 37 | Expired |
| US7539638B1 | Representation of order in multiple markets | Physics | 28 | Expired |
| US7383222B2 | Routing control for orders eligible for multiple markets | Physics | 23 | Active |
| US7890415B1 | Representation of order in multiple markets | Physics | 22 | Active |
| US8249975B1 | Automated first look at market events | Physics | 18 | Expired |
| US7882007B2 | Platform for market programs and trading programs | Physics | 18 | Expired |
| US7644027B2 | Market program for interacting with trading programs on a platform | Physics | 18 | Expired |
| US7813991B1 | Automated trading negotiation protocols | Physics | 17 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.