Townsend Engineering Company
152Patents
1Active
152Granted
42Portfolio score
Filing activity: Oct 2, 1972 → Sep 30, 2005 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5025175A | Safety means for powered machinery | Emerging Cross-Sectional Technologies | 113 | Expired |
| US5083973A | Safety method and means for stopping meat skinning machines | Human Necessities | 104 | Expired |
| US5122091A | Safety mechanism for meat skinning machines | Human Necessities | 96 | Expired |
| US5201684A | Safety means for powered machinery | Mechanical Engineering; Lighting; Heating | 91 | Expired |
| US4351410A | Self-balancing wheeled vehicle | Performing Operations; Transporting | 84 | Expired |
| US5481466A | Meat slicing machine and method of use thereof | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6066035A | Automatic control for terminating the filling of a sausage casing, and method of use thereof | Human Necessities | 46 | Expired |
| US4455928A | Means for injecting fluids into food products | Emerging Cross-Sectional Technologies | 43 | Expired |
| US3964236A | Stuffing tube apparatus for an encasing machine | Human Necessities | 36 | Expired |
| US6129625A | Method of trimming a meat portion by ultrasonic and electronic analysis | Performing Operations; Transporting | 34 | Expired |
| US6277018A | Method and means making and conveying an extruded sausage strand | Human Necessities | 32 | Expired |
| US4230290A | Airplane angle of attack and direction of flight indicator | Physics | 32 | Expired |
| US6856852B1 | Method and means for controlling the operation of a machine based upon the wearing apparel by the machine operator | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US4254151A | Method for injecting fluids into meat products | Human Necessities | 26 | Expired |
| US3952370A | Loading tube sleeve for use with an encasing machine | Human Necessities | 26 | Expired |
| US5759602A | Method for making extruded food products | Human Necessities | 25 | Expired |
| US4220669A | Method and means for injecting fluids into meat products | Human Necessities | 24 | Expired |
| US6125991A | Conveyor chain and system for looped sausage products | Performing Operations; Transporting | 23 | Expired |
| US4071923A | Hand-held meat skinning device | Human Necessities | 23 | Expired |
| US6213368A | Conveyor station and conveyor for sausage machines and method of using the same | Performing Operations; Transporting | 23 | Expired |
| US4142000A | Method and means for injecting fluids into meat products | Human Necessities | 22 | Expired |
| US6056636A | Method and means for making and conveying an extruded sausage strand | Human Necessities | 22 | Expired |
| US6056635A | Method and means of linking sausage | Human Necessities | 22 | Expired |
| US5148053A | Safety device for powered machinery | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4233709A | Link cutter | Human Necessities | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.