RPC, INC.
🏢 View company profile →38Patents
1Active
38Granted
38Portfolio score
Filing activity: Nov 20, 1974 → Sep 1, 2016
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4263979A | Hydraulic master-slave steering system for a wide track vehicle | Performing Operations; Transporting | 50 | Expired |
| US6037491A | Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio | Textiles; Paper | 44 | Expired |
| US6232495A | Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5998572A | Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements | Chemistry; Metallurgy | 42 | Expired |
| US6288274A | Methods and devices for controlling the reaction rate and/or reactivity of hydrocarbon to an intermediate oxidation product by adjusting the oxidant consumption rate | Performing Operations; Transporting | 41 | Expired |
| US6288270A | Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments | Performing Operations; Transporting | 39 | Expired |
| US4279347A | Anti-sway load handling apparatus | Performing Operations; Transporting | 36 | Expired |
| US4378072A | Gantry crane | Performing Operations; Transporting | 31 | Expired |
| US4219094A | Straddle crane apparatus | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6326455A | Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4396218A | Spreader system for handling containers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4149747A | Grappler spreader for closely stacking cargo containers | Performing Operations; Transporting | 12 | Expired |
| US5807638A | Polymeric composition for waterproofing walls | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5804635A | Polymeric composition for waterproofing walls | Chemistry; Metallurgy | 10 | Expired |
| US4093090A | Spreader for lifting containers | Performing Operations; Transporting | 10 | Expired |
| US5932646A | Polymeric composition for waterproofing walls | Chemistry; Metallurgy | 9 | Expired |
| US3966069A | Spreader for lifting containers | Performing Operations; Transporting | 8 | Expired |
| US5925706A | Polymeric composition for waterproofing walls | Chemistry; Metallurgy | 7 | Expired |
| US4014447A | Grappler spreader with overhead grappling arm storage | Performing Operations; Transporting | 7 | Expired |
| US4521044A | Twistlock operator | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4063770A | Cargo container spreader with guide apparatus | Performing Operations; Transporting | 4 | Expired |
| US6129875A | Process of separating catalyst from oxidation mixtures | Chemistry; Metallurgy | 4 | Expired |
| US6039902A | Methods of recycling catalyst in oxidations of hydrocarbons | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6103933A | Methods for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator | Performing Operations; Transporting | 3 | Expired |
| US10488387B2 | Methods and apparatus for extraction of NAD and proteins from crude oil and gas, drill cuttings, cores and other hydrocarbons and organics for unique spectral identification | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.