Warren Rupp, Inc.
27Patents
8Active
27Granted
49Portfolio score
Filing activity: May 17, 1982 → Feb 7, 2023 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5332372A | Modular double-diaphragm pump | Mechanical Engineering; Lighting; Heating | 97 | Expired |
| US6829542B1 | Pump and method for facilitating maintenance and adjusting operation of said pump | Mechanical Engineering; Lighting; Heating | 87 | Expired |
| US5165869A | Diaphragm pump | Mechanical Engineering; Lighting; Heating | 73 | Expired |
| US5950523A | Composite diaphragm having two layers wherein the first layer is chemically resistant and of reduced thickness in the area of flex of the body | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US5257914A | Electronic control interface for fluid powered diaphragm pump | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US4465102A | Check valve | Emerging Cross-Sectional Technologies | 39 | Expired |
| US8485792B2 | Method for increasing compressed air efficiency in a pump | Mechanical Engineering; Lighting; Heating | 34 | Active |
| US8382445B2 | Air logic controller | Emerging Cross-Sectional Technologies | 31 | Active |
| USD400210S | Diaphragm pump | General | 31 | Expired |
| USD435855S | Diaphragm pump housing | General | 29 | Expired |
| US6036445A | Electric shifting mechanism/interface for fluid power diaphragm pumps | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4478560A | Fluid-operated reciprocating pump | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6241487A | Fluid powered diaphragm pump | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5375625A | Valve body assembly with detent and locking mechanism | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6004105A | Diaphragm pump with adjustable stroke length | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4472115A | Fluid-operated reciprocating pump | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5996627A | Adjustable fluid valve for diaphragm pumps | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6129525A | Speed control for fluid powered diaphragm pumps | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5724881A | Diaphragm assembly for fluid powered diaphragm pumps | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US9316218B2 | Method and apparatus for increasing compressed air efficiency in a pump | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US5851109A | Spacer and shim assembly for fluid powered diaphragm pumps | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5819792A | Check ball valve seat | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8608460B2 | Method and apparatus for increasing compressed air efficiency in a pump | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8425208B2 | Air operated diaphragm pump with electric generator | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8801404B2 | Method for increasing compressed air efficiency in a pump | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.