Richards Mfg. Co.
44Patents
19Active
44Granted
49Portfolio score
Filing activity: Sep 6, 1974 → Aug 2, 2023 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4263903A | Medical staple means | Emerging Cross-Sectional Technologies | 340 | Expired |
| US3953896A | Prosthetic ligament | Human Necessities | 261 | Expired |
| US4130113A | Retractor | Human Necessities | 207 | Expired |
| US3988783A | Prosthetic collateral ligament | Human Necessities | 104 | Expired |
| US4281419A | Middle ear ossicular replacement prosthesis having a movable joint | Human Necessities | 97 | Expired |
| US4530355A | Compression screw assembly | Human Necessities | 89 | Expired |
| US4095591A | Compression screw system | Human Necessities | 67 | Expired |
| US4131956A | Elbow prosthesis | Human Necessities | 52 | Expired |
| USD243716S | Great toe prosthesis | General | 47 | Expired |
| US4141088A | Hip joint prosthesis | Human Necessities | 41 | Expired |
| US3931648A | Stapedial prosthesis | Human Necessities | 34 | Expired |
| US4174716A | Myringotomy tube | Human Necessities | 24 | Expired |
| US7431599B2 | Shrinkable multiple bore connection system | Electricity | 20 | Expired |
| US7381103B2 | Multiple bore termination system having an integrally formed component | Electricity | 18 | Expired |
| US6884124B1 | Barrier head bolt for use with disconnectable joints and methods of using the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4193140A | Knee prosthesis | Human Necessities | 17 | Expired |
| US8502076B2 | Cold shrinkable secondary splice | Emerging Cross-Sectional Technologies | 13 | Active |
| US4292693A | Locking bail stapedial prosthesis | Human Necessities | 11 | Expired |
| US4288066A | Container for medical device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7249982B1 | Obstruction assembly for use with disconnectable joints and methods of using the same | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7517260B2 | Multiple bore termination system | Electricity | 8 | Active |
| US7588469B2 | Safely separating electrical connecting system | Emerging Cross-Sectional Technologies | 7 | Active |
| USD254987S | Hip prosthesis | General | 6 | Expired |
| US10230222B2 | Injection electrical connector | Electricity | 6 | Active |
| US10522984B2 | Injection electrical connector | Electricity | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.