Ken R. Powell
33Patents
21h-index
16Co-inventors
82Inventor score
Filing activity: Apr 23, 1987 → Oct 18, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5806044A | System and method for distributing coupons through a system of computer networks | Physics | 444 | Expired |
| US5727153A | Retail store having a system of receiving electronic coupon information from a portable card and sending the received coupon information to other portable cards | Physics | 384 | Expired |
| US4812629A | Method and apparatus for vending | Emerging Cross-Sectional Technologies | 278 | Expired |
| US5884278A | Retail store and method employing multiple network interfaces at each cash register, and receiving signals from portable cards at each cash register | Physics | 253 | Expired |
| US5887271A | System and method for locating products in a retail system | Physics | 213 | Expired |
| US5890135A | System and method for displaying product information in a retail system | Physics | 178 | Expired |
| US5956694A | System and method for distributing and processing discount coupons | Physics | 166 | Expired |
| US6243687A | Kiosk systems and methods for issuing a card storing electronic coupons, after receiving data about a customer | Physics | 151 | Expired |
| US6067526A | System and method for distributing coupons through a system of computer networks | Physics | 149 | Expired |
| US6012038A | System and method for controlling distribution of coupons | Physics | 146 | Expired |
| US6105002A | Retail store efficiently configured to distribute electronic coupons at multiple product locations | Physics | 75 | Expired |
| US6112988A | Retail store configured for bidirectional communication between a plurality of product shelf areas and a plurality of portable cards | Physics | 69 | Expired |
| US6055509A | System and method for transferring identification information between portable cards in a computerized retail store having communication among a plurality of computers | Physics | 64 | Expired |
| US6173891A | Retail store configured for bidirectional communication between a plurality of product shelf areas and a plurality of portable cards | Physics | 58 | Expired |
| US5465822A | Commodity densification assembly having a multiple path distribution device | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5502559A | Apparatus and method for detection of material used in construction of containers and color of same | Physics | 30 | Expired |
| US5355987A | Single station reverse vending machine | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6317650A | System and method employing portable cards to monitor a commercial system | Physics | 28 | Expired |
| US6354492B1 | System and method employing a portable card to configure a store for product promotion | Physics | 27 | Expired |
| US6354495B1 | Retail store configured for bidirectional communication between a plurality of product shelf areas and a plurality of portable cards | Physics | 26 | Expired |
| US7240023B1 | System and method for distributing coupons through a system of computer networks | Physics | 23 | Expired |
| US5695039A | Method for determining a characteristic of a material | Physics | 16 | Expired |
| US5630493A | Acceptance assembly for a reverse vending machine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6456980B1 | Transaction systems and methods sending product identification signals to two processors in each register station | Physics | 15 | Expired |
| US5477953A | Filter and filter cleaning system for a reverse vending machine | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.