HAROLD STUART HALLEWELL innovation strategy

Patent filings in countries

#	Technology
#1	Grinding or polishing devices
#2	Unspecified technologies
#3	Non-positive-displacement pumps
#4	Metalworking with concentrated electric current
#5	Unspecified technologies
#6	Semiconductor devices
#7	Tools for connecting or disengaging

#	Name	Total Patents
#1	Albert Porter Charles Benjamin	4
#2	Hallewell Harold Stuart	3
#3	Porter Charles Benjamin Albert	2
#4	Percy Seymour Clifford	1
#5	Porter Charles Benjamin	1
#6	Seymour Clifford Percy	1

Publication	Filing date	Title
GB895357A	1959-09-29	Method and apparatus for forming by spark erosion a predetermined profile on a workpiece
GB863039A	1958-05-22	Improvements in forming means for profile grinding wheels
GB839526A	1958-04-02	Improvements relating to forming apparatus for profile grinding wheels
GB824735A	1957-07-23	Improvements in and relating to forming apparatus for profile grinding wheels
GB807401A	1954-05-12	Mounting for forming means for profile grinding wheels
GB699545A	1951-09-10	Improvements in forming means for profile grinding wheels
GB699544A	1951-09-10	Improvements in forming means for profile grinding wheels
US2705487A	1951-09-07	Forming means for profile grinding wheels
GB700108A	1951-01-03	Improvements in or relating to forming means for profile grinding machines
GB690574A	1950-09-08	Improvements in forming means for profile grinding wheels
US2591964A	1949-05-02	Forming means for profile grinding wheels
US2601456A	1949-05-02	Forming means for profile grinding wheels
US2469844A	1944-12-09	Forming means for profile grinding wheels
GB554294A	1942-10-31	Improvements relating to gap gauges
GB432496A	1934-01-27	An improved centrifugal pump