Hammers

	PAT. NO.	Title
901	4,718,313	Hammer head for a hammer
902	4,718,263	Method of controlling output energy in a forging hammer by anticipative sensing of input parameters
903	4,717,083	Hammer assembly for a rotary material crusher
904	4,712,625	Drilling and percussion hammer
905	4,712,415	Method of determining stroke length of a pneumatic forging hammer using sensed peak pressure
906	4,712,404	Method of self-regulating consistency of applied energy in a forging hammer employing input differential
907	4,710,043	Impact printer with variable delay for print cycle based on different print-hammer energy levels
908	4,710,042	Method and apparatus for indexing the print hammer of typewriters or the like
909	4,709,768	Annular air hammer apparatus for drilling wells
910	4,708,501	Electromagnetic hammer printing device including a limited action spring force
911	4,705,119	Annular air-hammer apparatus for drilling holes
912	4,705,118	Hammer for use in a bore hole and apparatus for use therewith
913	4,703,942	Hammer drill
914	4,703,941	Hammer drill chuck assembly
915	4,700,956	Lockable and self-tightening hammer-drill chuck
916	4,699,051	Cooling assembly for hammer bank
917	4,698,995	Method for stretch forming drop hammer parts utilizing stretch wrap forming techniques
918	4,697,481	Integrally molded hammer with separated head and handle cores
919	4,695,066	Chip-shedding hammer-drill chuck
920	4,693,322	Pneumatic hammer
921	4,693,101	Adaptive, self-regulating forging hammer control method
922	4,690,339	Hammer mill
923	4,690,226	Hammer drill
924	4,689,985	Calibration impact hammer
925	4,688,012	Electromagnetic actuator mechanism in particular for print hammer drives
926	4,687,356	Electronic printer with interleaved storage of print wheel position, hammer intensity, and carriage position data in read only memory
927	D291,402	Hammer
928	4,685,816	Impact printer with means for adjusting the associated print hammer
929	4,683,819	Compact printer with hammer structure within type drum
930	4,683,784	Hammer
931	4,679,169	Printer hammer resetting control system
932	4,675,968	Slide hammer-type puller and installer assembly
933	4,674,386	Augmented bass hammer striking distance for pianos
934	4,673,043	Hammer having a protective cover
935	4,673,042	Pneumatic hammer
936	4,672,763	Safety device for preventing the unauthorized firing of a weapon by releasing the hammer spring
937	4,669,551	Electropneumatic hammer drill
938	D289,887	Hammer
939	4,665,371	Character spacing circuit for controlling print hammer firing
940	D289,729	Claw hammer
941	4,662,557	Guide directed hammer having speed multiplying means
942	4,657,088	Rotary hammer driving mechanism
943	D289,252	Tool for a power hammer
944	4,654,909	Hammer with stabilizer bar
945	4,653,945	Rotary wheel printing apparatus with controllable hammer striking force
946	4,653,595	Method and apparatus for remote release of hammer and follow block chain connection
947	4,653,300	Adaptive, self-regulating forging hammer control system
948	4,651,912	Hammer-activated fastener tool
949	4,651,640	Print hammer bank in modular design
950	D288,897	Handle for a hammer

17	Hammer head having removable weight components
18	Slide hammer chimney cleaner
19	Hammer head for a hammer
20	Capped disc for hammer mill rotor
21	Printing apparatus controlling advancement of printing paper, actuation of a hammer, and advancement of an ink ribbon
22	Tool and chuck for hammer drill
23	Automatic drive hammer system
24	Hammer game
25	Hammer drill with a lockable tool holder
26	Shredder hammer
27	Motor-driven portable hammer
28	Lens impact hammer apparatus and methods
29	Hammer hanger
30	Down-the-hole drill hammer
31	Hammer
32	Hammer