Assignee
SCHROEDER BROTHERS
10 granted patents·106 citations·filing 1975–1983
Top patents by PatentIndex Score
10 records- 0178US4290490ARoof bolting deviceSCHROEDER BROTHERS·Filed 1979·Granted Sep 22, 1981·20 cites·6 claims
- 0278US4252475AVehicle mounted temporary roof supportSCHROEDER BROTHERS·Filed 1979·Granted Feb 24, 1981·20 cites·5 claims
- 0360US4311347ADrill steel guideSCHROEDER BROTHERS·Filed 1979·Granted Jan 19, 1982·10 cites·4 claims
- 0449US4011795AImpact toolSCHROEDER BROTHERS·Filed 1975·Granted Mar 15, 1977·13 cites·4 claims
- 0548US4460294AToggle type temporary roof support for mining machinerySCHROEDER BROTHERS·Filed 1981·Granted Jul 17, 1984·8 cites·4 claims
- 0647US4256186ARoof drilling and bolting apparatusSCHROEDER BROTHERS·Filed 1979·Granted Mar 17, 1981·6 cites·6 claims
- 0737US4250975ACab mounting for mining machineSCHROEDER BROTHERS·Filed 1979·Granted Feb 17, 1981·7 cites·6 claims
- 0836US4516467AMethod and apparatus for controlling a rotary percussive hydraulic drillSCHROEDER BROTHERS·Filed 1983·Granted May 14, 1985·15 cites·17 claims
- 0927US4426284AFilter condition indicatorSCHROEDER BROTHERS·Filed 1983·Granted Jan 17, 1984·5 cites·2 claims
- 1022US4325824AUnhooking dirty filter alarmSCHROEDER BROTHERS·Filed 1981·Granted Apr 20, 1982·2 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →