Hammers

	PAT. NO.	Title
551	5,443,216	Hammer mill
552	5,440,795	Hammer for use in shredders having replaceable pin holes
553	D361,252	Electric hammer
554	5,435,578	Lockable self-tightening hammer-drill chuck
555	5,435,402	Self-propelled earth drilling hammer-bit assembly
556	5,435,397	Rotary hammer with a pneumatic hammer mechanism
557	5,433,005	Chipping hammer
558	D360,421	Hammer tip
559	D360,294	Holder for claw hammer
560	5,431,419	Self-tightening hammer-drill chuck
561	5,429,442	Print hammer coil current control
562	5,429,077	Water hammer rapper method and apparatus
563	5,427,190	Underground borer with down hammer
564	5,427,187	Method for adjusting the impact force on a hammer
565	5,423,241	Quantitative method for evaluation of the state of piano hammer felt tonal regulation
566	5,421,114	Gun with improved barrel locking means and rebounding hammer
567	5,419,404	Hydraulic impact hammer
568	5,419,403	Pneumatic hammer
569	5,417,294	Pneumatic hammer
570	5,413,185	Soil displacement hammer with movable head
571	5,408,768	Impact hammer cylinder
572	5,407,021	Down-the-hole hammer drill having reverse circulation
573	5,407,017	Hammer for removing gates or risers from castings
574	5,398,772	Impact hammer
575	D356,481	Hammer handle
576	D356,475	Slide hammer
577	5,396,965	Down-hole mud actuated hammer
578	5,395,063	Hammer bar for use in a rotor of a crusher
579	5,392,999	Rotor for impact crushers or hammer mills
580	5,386,083	Keyboard instrument having hammer stopper outwardly extending from hammer shank and method of remodeling piano into the keyboard instrument
581	5,385,172	Ping-free water hammer arrester
582	5,383,399	Zero hammer adjustment drum printer control technique
583	5,381,976	Replaceable tip hammer
584	5,381,975	Hammer for use in shredders having replaceable pin holes
585	5,381,973	Rotor for impact crushes or hammer mills
586	5,379,848	Drill hammer
587	5,375,858	Lockable self-tightening hammer-drill chuck
588	5,375,857	Keyless lockable hammer-drill chuck
589	5,375,332	Hammer driven double cut shear device
590	5,373,905	Hammer drill
591	5,372,196	Hammer drill device
592	5,372,053	Hammer
593	5,370,193	Hydraulic impact hammer
594	5,366,025	Drill and/or percussion hammer
595	5,365,648	Slide hammer having removable tip
596	D352,216	Combined hammer and wrench
597	5,354,301	Hammer toe operation tool system and method
598	5,350,023	Pneumatic hammer
599	D350,470	Combined handle and head for a hammer
600	D350,269	Hammer

1	Reciprocable impact hammer
2	Hammer drill
3	Slide hammer tool and method of removing a keeper ring
4	Coil strap with nails for use in a nail hammer
5	Keyboard musical instrument equipped with hammer stopper promptly driven for rotation by means of rigid link work
6	Keyboard musical instrument having hammer stopper changed between free position and blocking position through turn on horizontal plane
7	Percussive down-the-hole hammer and a drill bit therefor
8	Hammer-type stapler
9	Hammer handle
10	Hammer for muzzle loader rifle
11	Impact hammer and driving tool
12	Hammer mill
13	Hammer type soil excavating machine
14	Print hammer assembly for dot line printer
15	Scraper-hammer tool
16	Pneumatic hammer lift