Thetford LLC
139Patents
37Active
139Granted
47Portfolio score
Filing activity: Dec 21, 1973 → Feb 6, 2024 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4179616A | Apparatus for sanitizing liquids with ultra-violet radiation and ozone | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5023959A | Extendable waste hose system | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6000771A | RV refrigerator with swinging closure door capable of being opened from both left and right sides | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US4776631A | Self-contained RV sanitary systems | Fixed Constructions | 47 | Expired |
| US4305164A | Portable toilet facility | Emerging Cross-Sectional Technologies | 40 | Expired |
| US3950249A | Sanitary waste treatment plant | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4210528A | Closed loop waste treatment and water recycling toilet system | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4974899A | Recreational vehicle use system particularly tank installation | Fixed Constructions | 32 | Expired |
| USD613827S1 | Hose fitting | General | 31 | Expired |
| US5031249A | Universal recreational vehicle toilet system with removable holding tank | Performing Operations; Transporting | 28 | Expired |
| US4904387A | Waste treatment and water recycling toilet system | Emerging Cross-Sectional Technologies | 28 | Expired |
| US3939500A | Water closet | Fixed Constructions | 27 | Expired |
| USD255597S | Toilet | General | 25 | Expired |
| US4779650A | Telescoping drain assembly for recreational vehicles | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6397405B1 | Flush toilet for RV's and boats | Fixed Constructions | 24 | Expired |
| US3939501A | Toilet | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5060320A | Recreational vehicle toilet with foot pedal flush | Fixed Constructions | 21 | Expired |
| US5073994A | Low water toilet with pulsed flush | Fixed Constructions | 21 | Expired |
| US5247974A | Pneumatic sealing device for waste disposal systems | Emerging Cross-Sectional Technologies | 21 | Expired |
| US3949430A | Portable toilet | Fixed Constructions | 21 | Expired |
| US6189161A | Toilet for recreational vehicle with vent for the holding tank | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| USD911846S1 | Cartridge for liquid additives | General | 19 | Active |
| US5010602A | Toilet with pulsed flow of flush water | Fixed Constructions | 19 | Expired |
| USD287937S | Bottle | General | 18 | Expired |
| US5513395A | Toilet with magnetic check valve | Emerging Cross-Sectional Technologies | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.