NIBCO Inc.
🏢 View company profile →117Patents
71Active
117Granted
57Portfolio score
Filing activity: Jun 1, 1973 → Jul 12, 2024 · 11 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5786054A | Inductive welding of thermoplastic pipe | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6161776A | Multi-layered, porous mat turf irrigation apparatus and method | Human Necessities | 51 | Expired |
| US5343191A | Pipeline leak detection system | Physics | 36 | Expired |
| US5740831A | Frostproof hydrant seal | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5785074A | Vented ball valve with lock-out ring | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7306010B2 | Ball valve with snap-in stem | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5360036A | Vented ball valve with lock-out ring | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5427135A | Valve lock | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7654043B2 | Retrofit attachment yoke | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7097141B2 | Sway brace clamp and connector assembly | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4514244A | Plastic pipe elements and methods for making same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7455268B2 | Hanger for fire sprinkler pipe | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US9777875B2 | Clam shell push-to-connect assembly | Mechanical Engineering; Lighting; Heating | 23 | Active |
| US5135700A | Method and apparatus for molding a threaded product | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6896226B2 | Sway brace clamp and connector assembly | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US9541228B2 | Push-to-connect fitting | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US9447906B2 | Self-locking push-to-connect insert | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US4240492A | Process of forming multi piece vaporizable pattern for foundry castings | Performing Operations; Transporting | 17 | Expired |
| US4740347A | Method of aligning and fixing valve components during valve assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4022243A | Frost proof sillcock | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4457542A | Plastic pipe fitting | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6584894B1 | Method and apparatus for marking items of varied shapes | Performing Operations; Transporting | 14 | Expired |
| US6286765A | Pop-up spray head irrigation system uniformity enhancement apparatus and method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7744042B2 | Offset hanger | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US7467765B2 | Sway brace clamp and connector assembly | Mechanical Engineering; Lighting; Heating | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.