David Baumgartner
20Patents
5h-index
25Co-inventors
69Inventor score
Filing activity: Jun 30, 1986 → May 12, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7083081B2 | Electronic card and ticket and methods for their use | Physics | 83 | Expired |
| US7328191B2 | Methods and systems for processing unrestricted stored-value instruments | Physics | 12 | Expired |
| US7319977B2 | Discount-instrument methods and systems | Physics | 8 | Expired |
| US7409358B2 | Methods and systems for coordinating a change in status of stored-value cards | Physics | 6 | Expired |
| US8473411B2 | Bulk activation of portable consumer payment devices | Physics | 6 | Active |
| US4916796A | Method for assembly of stair forms | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7591417B1 | Tracking inventory of cards having expiration dates | Physics | 5 | Active |
| US11222388B2 | Disaster risk management and financing system, and corresponding method thereof | Physics | 4 | Active |
| US7882021B2 | Financial settlement systems and methods | Physics | 4 | Active |
| US7668751B2 | Methods and systems for coordinating a change in status of stored-value cards | Physics | 4 | Active |
| US4775131A | Device for assembly of stair forms | Fixed Constructions | 4 | Expired |
| US8620781B2 | Fund on activation | Physics | 1 | Active |
| US7284691B2 | Updating system for electronic tickets | Physics | 1 | Expired |
| US10949924B2 | Inter-arrival times triggered, probabilistic risk transfer system and a corresponding method thereof | Physics | 0 | Active |
| US10169755B2 | Fund on activation | Physics | 0 | Active |
| US8271380B2 | Decentralized guaranteed stored value transfer system and method | Physics | 0 | Active |
| US7844494B2 | Electronic acknowledgment of receipt of inventory | Physics | 0 | Active |
| US8355960B2 | Electronic acknowledgement of receipt of inventory | Physics | 0 | Active |
| US8489473B2 | Electronic acknowledgement of receipt of inventory | Physics | 0 | Active |
| US7647246B2 | Systems and method for integrating multiple interaction arrangements | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.