Christopher John May
28Patents
8h-index
51Co-inventors
78Inventor score
Filing activity: Dec 28, 1987 → Sep 1, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6351223B1 | System and method for reading and transmitting water meter data utilizing RF signals | Emerging Cross-Sectional Technologies | 96 | Expired |
| US9199293B2 | Header beam of a vehicle frame and method of forming the same | Emerging Cross-Sectional Technologies | 17 | Active |
| US6592748B2 | Reffinate hydroconversion process | Chemistry; Metallurgy | 12 | Expired |
| US5108462A | Smoke reducing additive for two-cycle engine lubricant-fuel mixture | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6974535B2 | Hydroconversion process for making lubricating oil basestockes | Chemistry; Metallurgy | 11 | Expired |
| US6734150B2 | Lubricating oil compositions | Chemistry; Metallurgy | 11 | Expired |
| US5250081A | Smoke reducing additive for two-cycle engine lubricant-fuel mixture comprising the Hofmann decomposition products of a quaternary ammonium hydroxide | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8998307B1 | Header beam of a vehicle frame and method of forming the same | Performing Operations; Transporting | 10 | Active |
| US9828035B1 | Vehicle body reinforcing brace | Performing Operations; Transporting | 5 | Active |
| US9079617B1 | Vehicle front end joint | Performing Operations; Transporting | 5 | Active |
| US9533343B2 | Aluminum porthole extruded tubing with locating feature | Emerging Cross-Sectional Technologies | 4 | Active |
| US9114835B1 | Vehicle front end structure | Performing Operations; Transporting | 4 | Active |
| US4867892A | Antiwear additives for lubricating oils | Chemistry; Metallurgy | 4 | Expired |
| US9150258B1 | Vehicle body structure and method for assembling same | Performing Operations; Transporting | 3 | Active |
| US10399602B2 | Vehicle body including reinforcement on rocker panel | Performing Operations; Transporting | 2 | Active |
| US9174680B2 | Formation in hollow extruded vehicle frame component for subassembly attachment and method of forming the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US10065230B2 | Methods of forming hollow extruded vehicle frame component for subassembly attachment | Emerging Cross-Sectional Technologies | 2 | Active |
| US10357817B2 | Method of forming extruded tubing for vehicle body component | Emerging Cross-Sectional Technologies | 2 | Active |
| US9505447B2 | Gap joint for closed section load transfer | Performing Operations; Transporting | 2 | Active |
| US11136065B2 | Extended roof reinforcement structure | Performing Operations; Transporting | 1 | Active |
| US9545657B2 | Method of hydroforming an extruded aluminum tube with a flat nose corner radius | Emerging Cross-Sectional Technologies | 1 | Active |
| US6136760A | Reducing low temperature scanning brookfield gel index value in engine oils (LAW798) | Chemistry; Metallurgy | 1 | Expired |
| US9914483B2 | Header beam of a vehicle frame and method of forming the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US8262153B2 | Vehicle pillar with opening having angled flange | Performing Operations; Transporting | 0 | Active |
| US11767063B2 | Extended roof reinforcement structure | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.