Waters Instruments, Inc.
15Patents
0Active
15Granted
34Portfolio score
Filing activity: Jul 16, 1979 → Feb 14, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6581546B1 | Animal containment system having a dynamically changing perimeter | Human Necessities | 132 | Expired |
| US4403617A | Biopsy needle | Human Necessities | 123 | Expired |
| US4381765A | Ileostomy valve | Human Necessities | 71 | Expired |
| US5052395A | Non-invasive ultrasonic pulse doppler cardiac output monitor | Human Necessities | 70 | Expired |
| US4721508A | Ostomy prosthesis | Human Necessities | 68 | Expired |
| US5963335A | Means and method for measuring absorption of radiation-scattering samples | Physics | 57 | Expired |
| US4386606A | Syringe lock | Human Necessities | 49 | Expired |
| US4662890A | Tubular medical prosthesis | Human Necessities | 48 | Expired |
| US6595496B1 | Fence post assembly, portable fencing system and method | Fixed Constructions | 41 | Expired |
| US4665912A | Skin marking device | Human Necessities | 29 | Expired |
| US4283099A | Locker cabinet | Human Necessities | 26 | Expired |
| US5381298A | Electric fence charger | Electricity | 13 | Expired |
| US5877949A | Direct capacitive discharge electric fence controller | Electricity | 9 | Expired |
| US5790023A | Apparatus and method for control of electric fence | Electricity | 7 | Expired |
| USD468690S1 | Electric fencing insulator | General | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.