Technitrol, Inc.
19Patents
0Active
19Granted
32Portfolio score
Filing activity: Jan 16, 1978 → Apr 5, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5430664A | Document counting and batching apparatus with counterfeit detection | Performing Operations; Transporting | 221 | Expired |
| US5533054A | Multi-level data transmitter | Electricity | 97 | Expired |
| US5236072A | Document size detection device | Physics | 73 | Expired |
| US4416449A | Document separating apparatus and method | Performing Operations; Transporting | 42 | Expired |
| US5796781A | Data receiver having bias restoration | Electricity | 36 | Expired |
| US4216952A | Feed mechanism for sequentially separating documents, sheets, coupons and the like | Performing Operations; Transporting | 32 | Expired |
| US4500084A | Stripper mechanism for document separating apparatus | Performing Operations; Transporting | 25 | Expired |
| US5513773A | Single denomination bill dispensing apparatus | Performing Operations; Transporting | 21 | Expired |
| US4737627A | Method of detecting the improper separation of documents being fed through a document counter or the like | Performing Operations; Transporting | 12 | Expired |
| US5000088A | Document imprinting device | Performing Operations; Transporting | 11 | Expired |
| US4691910A | Document dispenser | Performing Operations; Transporting | 9 | Expired |
| US4253651A | Document interleaver device | Performing Operations; Transporting | 6 | Expired |
| US5046713A | Document imprinting device | Performing Operations; Transporting | 6 | Expired |
| US4688481A | Document feeding and printing apparatus | Performing Operations; Transporting | 5 | Expired |
| US5115739A | Document imprinting device having a rotation detector mounted on the print drum | Performing Operations; Transporting | 3 | Expired |
| US4930211A | Silver electrode for electrochemical cell | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5074433A | Document delivery and abort mechanism | Physics | 2 | Expired |
| US4904317A | Erosion resistant Ag-SnO.sub.2 electrical contact material | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4886636A | Method of controlling the pore morphology of strengthened silver powder compacts | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.