Rolls-Royce Plc Patent Portfolio Statistics

Rolls-Royce Plc

Profile Summary

This article summarizes the perfomance of the assignee in the recent years. The overall statistics for this portfolio help to analyze the areas where the assignee is performing well. The filing trend, perfomance across the tech centers and the perfomance of the recent applications has been mentioned below. All the stats are calculated based on the perfomance in USPTO.

How does the overall patent portfolio of Rolls-Royce Plc look like?

Total Applications: 3,970
Granted Patents: 2,840
Grant Index 77.89 %
Abandoned/Rejected Applications: 806 (22.11%)
In-Process Applications: 322
Average Grant Time: 2.92 Years
Average Office Actions: 1.44

Which Technology Area Rolls-Royce Plc is filing most patents in? (Last 10 years)

Art Unit Definition Total Applications
3745 Thermal & Combustion Technology, Motive & Fluid Power Systems 990
3741 Thermal & Combustion Technology, Motive & Fluid Power Systems 601
3746 Thermal & Combustion Technology, Motive & Fluid Power Systems 142
3726 Manufacturing Devices & Processes, Machine Tools & Hand Tools 119
2856 Printing/Measuring and Testing 73

How many patents are Rolls-Royce Plc filing every year?

Year Total Applications
2022 0*
2021 63*
2020 218
2019 426
2018 252

*The drop in the number of applications filed in last two years compared to previous years is because applications can take up to 18 months to get published

Recently filed patent applications of Rolls-Royce Plc in USPTO?

Publication number: US20210408859A1
Application number: 17/474,793

Abstract:
A 3D printed metal coil for an electrical machine. The 3D printed coil has a plurality of turns and is configured to fit within a slot in an electrical machine. A portion of each turn forming an end winding of the coil has a flat plate-like shape for dissipating heat from the end winding.

Publication date: 2021-12-30
Applicant: Rolls-Royce Plc
Inventors: Alexis Lambourne


Publication number: US20210408858A1
Application number: 17/474,687

Abstract:
A 3D printed metal coil for an electrical machine. The 3D printed coil has a plurality of turns and is configured to fit within a slot in an electrical machine. A cross-sectional shape of successive turns of the plurality of turns varies such that a portion of each turn forms a part of an external surface of the metal coil, the external surface forming an interface with a side of the slot.

Publication date: 2021-12-30
Applicant: Rolls-Royce Plc
Inventors: Iain Todd


Publication number: US20210404391A1
Application number: 17/473,181

Abstract:
The present disclosure relates to gearboxes for aircraft gas turbine engines, in particular to arrangements for journal bearings such gearboxes, and to related methods of operating such gearboxes and gas turbine engines. Example embodiments include a gearbox for an aircraft gas turbine engine, the gearbox comprising: a sun gear; a plurality of planet gears surrounding and engaged with the sun gear; and a ring gear surrounding and engaged with the plurality of planet gears, each of the plurality of planet gears being rotatably mounted around a pin of a planet gear carrier with a journal bearing having an internal sliding surface on the planet gear and an external sliding surface on the pin.

Publication date: 2021-12-30
Applicant: Rolls-Royce Plc
Inventors: Mark Spruce


How are Rolls-Royce Plc’s applications performing in USPTO?

Application Number Title Status Art Unit Examiner
17/474,793 Metal Coil Fabrication Docketed New Case – Ready for Examination OPAP Central, Docket
17/474,687 Metal Coil Fabrication Docketed New Case – Ready for Examination OPAP Central, Docket
17/473,181 Gearboxes For Aircraft Gas Turbine Engines Docketed New Case – Ready for Examination OPAP Central, Docket
17/437,689 Insertion Apparatus And Method Of Providing Through Thickness Reinforcement In A Laminated Material
17/411,617 Geared Gas Turbine Engine Docketed New Case – Ready for Examination OPAP Central, Docket